Search a number
-
+
215832238512 = 24311439506353
BaseRepresentation
bin1100100100000010011…
…0101001100110110000
3202122002201102201210120
43021000212221212300
512014011023113022
6243052453530240
721410344520532
oct3110046514660
9678081381716
10215832238512
1183596743340
12359b5943980
13174783c7c47
14a636a63852
15593337cd5c
hex32409a99b0

215832238512 has 80 divisors (see below), whose sum is σ = 622400009088. Its totient is φ = 63882685440.

The previous prime is 215832238471. The next prime is 215832238529.

215832238512 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2158322385122 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4730473 + ... + 4775880.

Almost surely, 2215832238512 is an apocalyptic number.

215832238512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

215832238512 is an abundant number, since it is smaller than the sum of its proper divisors (406567770576).

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

215832238512 is a wasteful number, since it uses less digits than its factorization.

215832238512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9506418 (or 9506412 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The spelling of 215832238512 in words is "two hundred fifteen billion, eight hundred thirty-two million, two hundred thirty-eight thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 43 44 48 66 86 88 129 132 172 176 258 264 344 473 516 528 688 946 1032 1419 1892 2064 2838 3784 5676 7568 11352 22704 9506353 19012706 28519059 38025412 57038118 76050824 104569883 114076236 152101648 209139766 228152472 313709649 408773179 418279532 456304944 627419298 817546358 836559064 1226319537 1254838596 1635092716 1673118128 2452639074 2509677192 3270185432 4496504969 4905278148 5019354384 6540370864 8993009938 9810556296 13489514907 17986019876 19621112592 26979029814 35972039752 53958059628 71944079504 107916119256 215832238512