Search a number
-
+
214300240040 = 23571389193979
BaseRepresentation
bin1100011110010101001…
…0100010100010101000
3202111010221201010222102
43013211102202202220
512002341330140130
6242240445512532
721324362661635
oct3074522424250
9674127633872
10214300240040
118297a9981a7
1235648872748
1317292bb1183
14a52d3d118c
155893b12645
hex31e54a28a8

214300240040 has 64 divisors (see below), whose sum is σ = 490226256000. Its totient is φ = 84295079680.

The previous prime is 214300240009. The next prime is 214300240117. The reversal of 214300240040 is 40042003412.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 214300239994 and 214300240021.

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, 1007771 + ... + 1201749.

It is an arithmetic number, because the mean of its divisors is an integer number (7659785250).

Almost surely, 2214300240040 is an apocalyptic number.

214300240040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214300240040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245113128000).

214300240040 is an abundant number, since it is smaller than the sum of its proper divisors (275926015960).

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

214300240040 is a wasteful number, since it uses less digits than its factorization.

214300240040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194450 (or 194446 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 214300240040 its reverse (40042003412), we get a palindrome (254342243452).

The spelling of 214300240040 in words is "two hundred fourteen billion, three hundred million, two hundred forty thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 71 142 284 355 389 568 710 778 1420 1556 1945 2840 3112 3890 7780 15560 27619 55238 110476 138095 193979 220952 276190 387958 552380 775916 969895 1104760 1551832 1939790 3879580 7759160 13772509 27545018 55090036 68862545 75457831 110180072 137725090 150915662 275450180 301831324 377289155 550900360 603662648 754578310 1509156620 3018313240 5357506001 10715012002 21430024004 26787530005 42860048008 53575060010 107150120020 214300240040