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2031251051244 = 2231791321971537
BaseRepresentation
bin11101100011101111111…
…111110101001011101100
321012012000101012202000110
4131203233333311023230
5231240000232114434
64153051023300020
7266516203025442
oct35435777651354
97165011182013
102031251051244
117134a329a168
12289805a4a610
13119713b8667c
1470455116b92
1537c868784e9
hex1d8efff52ec

2031251051244 has 48 divisors (see below), whose sum is σ = 4766491094400. Its totient is φ = 673240747776.

The previous prime is 2031251051237. The next prime is 2031251051261. The reversal of 2031251051244 is 4421501521302.

It is a super-2 number, since 2×20312510512442 (a number of 25 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, 28358644 + ... + 28430180.

It is an arithmetic number, because the mean of its divisors is an integer number (99301897800).

Almost surely, 22031251051244 is an apocalyptic number.

It is an amenable number.

2031251051244 is an abundant number, since it is smaller than the sum of its proper divisors (2735240043156).

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

2031251051244 is a wasteful number, since it uses less digits than its factorization.

2031251051244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84942 (or 84940 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 2031251051244 its reverse (4421501521302), we get a palindrome (6452752572546).

The spelling of 2031251051244 in words is "two trillion, thirty-one billion, two hundred fifty-one million, fifty-one thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 179 358 537 716 1074 2148 13219 26438 39657 52876 71537 79314 143074 158628 214611 286148 429222 858444 2366201 4732402 7098603 9464804 12805123 14197206 25610246 28394412 38415369 51220492 76830738 153661476 945647603 1891295206 2836942809 3782590412 5673885618 11347771236 169270920937 338541841874 507812762811 677083683748 1015625525622 2031251051244