Search a number
-
+
214450642152 = 23341756934213
BaseRepresentation
bin1100011110111001000…
…0010001110011101000
3202111112102201100220000
43013232100101303220
512003143331022102
6242303421303000
721331200245025
oct3075620216350
9674472640800
10214450642152
1182a4788456a
123568b104a60
13172b80c10c6
14a54538254c
1558a1e2101c
hex31ee411ce8

214450642152 has 160 divisors (see below), whose sum is σ = 637129686600. Its totient is φ = 67158429696.

The previous prime is 214450642123. The next prime is 214450642171. The reversal of 214450642152 is 251246054412.

214450642152 is a `hidden beast` number, since 2 + 1 + 4 + 4 + 5 + 0 + 642 + 1 + 5 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 204660331236 + 9790310916 = 452394^2 + 98946^2 .

It is a super-2 number, since 2×2144506421522 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6250998 + ... + 6285210.

Almost surely, 2214450642152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214450642152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318564843300).

214450642152 is an abundant number, since it is smaller than the sum of its proper divisors (422679044448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214450642152 is a wasteful number, since it uses less digits than its factorization.

214450642152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34817 (or 34804 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 214450642152 its reverse (251246054412), we get a palindrome (465696696564).

The spelling of 214450642152 in words is "two hundred fourteen billion, four hundred fifty million, six hundred forty-two thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 17 18 24 27 34 36 51 54 68 72 81 102 108 136 153 162 204 216 306 324 408 459 569 612 648 918 1138 1224 1377 1707 1836 2276 2754 3414 3672 4552 5121 5508 6828 9673 10242 11016 13656 15363 19346 20484 29019 30726 34213 38692 40968 46089 58038 61452 68426 77384 87057 92178 102639 116076 122904 136852 174114 184356 205278 232152 261171 273704 307917 348228 368712 410556 522342 581621 615834 696456 783513 821112 923751 1044684 1163242 1231668 1567026 1744863 1847502 2089368 2326484 2463336 2771253 3134052 3489726 3695004 4652968 5234589 5542506 6268104 6979452 7390008 10469178 11085012 13958904 15703767 19467197 20938356 22170024 31407534 38934394 41876712 47111301 58401591 62815068 77868788 94222602 116803182 125630136 155737576 175204773 188445204 233606364 330942349 350409546 376890408 467212728 525614319 661884698 700819092 992827047 1051228638 1323769396 1401638184 1576842957 1985654094 2102457276 2647538792 2978481141 3153685914 3971308188 4204914552 5956962282 6307371828 7942616376 8935443423 11913924564 12614743656 17870886846 23827849128 26806330269 35741773692 53612660538 71483547384 107225321076 214450642152