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2251879093828 = 227136186481027
BaseRepresentation
bin100000110001001110011…
…101000001011001000100
321222021111022210120020001
4200301032131001121010
5243343322022000303
64442255440051044
7321456443322340
oct40611635013104
97867438716201
102251879093828
11799020051041
12304519903a84
13134474a170b0
147adc4a86620
153d89ac7531d
hex20c4e741644

2251879093828 has 24 divisors (see below), whose sum is σ = 4850201125952. Its totient is φ = 890853267744.

The previous prime is 2251879093727. The next prime is 2251879093829. The reversal of 2251879093828 is 8283909781522.

It is a super-2 number, since 2×22518790938282 (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2251879093828.

It is not an unprimeable number, because it can be changed into a prime (2251879093829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3093240150 + ... + 3093240877.

Almost surely, 22251879093828 is an apocalyptic number.

2251879093828 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2251879093828 is an abundant number, since it is smaller than the sum of its proper divisors (2598322032124).

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

2251879093828 is a wasteful number, since it uses less digits than its factorization.

2251879093828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6186481051 (or 6186481049 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 64.

The spelling of 2251879093828 in words is "two trillion, two hundred fifty-one billion, eight hundred seventy-nine million, ninety-three thousand, eight hundred twenty-eight".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 6186481027 12372962054 24745924108 43305367189 80424253351 86610734378 160848506702 173221468756 321697013404 562969773457 1125939546914 2251879093828