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438265424562834 = 231161108858774109
BaseRepresentation
bin110001110100110011001111…
…0111100101100101010010010
32010110202202122222111010000110
41203221212132330230222102
5424421020042142002314
64152040205003502150
7161212426532033601
oct14351463674545222
92113682588433013
10438265424562834
11117710360678520
12411a2937b27956
1315a7133811a89b
147a32234425a38
1535a0451db2a59
hex18e999ef2ca92

438265424562834 has 32 divisors (see below), whose sum is σ = 971891135254080. Its totient is φ = 130630528929600.

The previous prime is 438265424562829. The next prime is 438265424562857.

438265424562834 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×4382654245628342 (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

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, 54429383029 + ... + 54429391080.

It is an arithmetic number, because the mean of its divisors is an integer number (30371597976690).

Almost surely, 2438265424562834 is an apocalyptic number.

438265424562834 is an abundant number, since it is smaller than the sum of its proper divisors (533625710691246).

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

438265424562834 is a wasteful number, since it uses less digits than its factorization.

438265424562834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108858774186.

The product of its digits is 1061683200, while the sum is 66.

The spelling of 438265424562834 in words is "four hundred thirty-eight trillion, two hundred sixty-five billion, four hundred twenty-four million, five hundred sixty-two thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 11 22 33 61 66 122 183 366 671 1342 2013 4026 108858774109 217717548218 326576322327 653152644654 1197446515199 2394893030398 3592339545597 6640385220649 7184679091194 13280770441298 19921155661947 39842311323894 73044237427139 146088474854278 219132712281417 438265424562834