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5215253131192 = 231392953979187
BaseRepresentation
bin100101111100100010101…
…0011110110111110111000
3200110120110221212011022111
41023321011103312332320
51140421314300144232
615031504302102104
71045534556121316
oct113710523667670
920416427764274
105215253131192
11173085a481a05
1270290187a934
132baa474ca150
141405c35410b6
15909d9d0c047
hex4be454f6fb8

5215253131192 has 32 divisors (see below), whose sum is σ = 10542135416400. Its totient is φ = 2404448861184.

The previous prime is 5215253131159. The next prime is 5215253131223. The reversal of 5215253131192 is 2911313525125.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26892978 + ... + 27086209.

Almost surely, 25215253131192 is an apocalyptic number.

5215253131192 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

5215253131192 is an abundant number, since it is smaller than the sum of its proper divisors (5326882285208).

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

5215253131192 is a wasteful number, since it uses less digits than its factorization.

5215253131192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53980135 (or 53980131 counting only the distinct ones).

The product of its digits is 81000, while the sum is 40.

The spelling of 5215253131192 in words is "five trillion, two hundred fifteen billion, two hundred fifty-three million, one hundred thirty-one thousand, one hundred ninety-two".

Divisors: 1 2 4 8 13 26 52 104 929 1858 3716 7432 12077 24154 48308 96616 53979187 107958374 215916748 431833496 701729431 1403458862 2806917724 5613835448 50146664723 100293329446 200586658892 401173317784 651906641399 1303813282798 2607626565596 5215253131192