Search a number
-
+
78152260854118 = 21115138651608669
BaseRepresentation
bin10001110001010000111101…
…101111110010000101100110
3101020201021122102122222100011
4101301100331233302011212
540220421312234312433
6434114353014040434
722314212610405043
oct2161207557620546
9336637572588304
1078152260854118
11229a1207910690
12892252204911a
13347b95a3975c9
141542837c541ca
15907dbdc783cd
hex47143dbf2166

78152260854118 has 32 divisors (see below), whose sum is σ = 128735983860480. Its totient is φ = 35287527300000.

The previous prime is 78152260854067. The next prime is 78152260854127. The reversal of 78152260854118 is 81145806225187.

It is a super-2 number, since 2×781522608541182 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 128094288 + ... + 128702956.

It is an arithmetic number, because the mean of its divisors is an integer number (4022999495640).

Almost surely, 278152260854118 is an apocalyptic number.

78152260854118 is a deficient number, since it is larger than the sum of its proper divisors (50583723006362).

78152260854118 is a wasteful number, since it uses less digits than its factorization.

78152260854118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647484.

The product of its (nonzero) digits is 8601600, while the sum is 58.

The spelling of 78152260854118 in words is "seventy-eight trillion, one hundred fifty-two billion, two hundred sixty million, eight hundred fifty-four thousand, one hundred eighteen".

Divisors: 1 2 11 22 151 302 1661 3322 38651 77302 425161 608669 850322 1217338 5836301 6695359 11672602 13390718 64199311 91909019 128398622 183818038 1010999209 2021998418 23525665519 47051331038 258782320709 517564641418 3552375493369 7104750986738 39076130427059 78152260854118