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61026525635772 = 2235878663618063
BaseRepresentation
bin11011110000000110110000…
…11000011110010010111100
322000002002010111110212002210
431320003120120132102330
530444324311030321042
6333443110541220420
715566010124034514
oct1570033030362274
9260062114425083
1061026525635772
1118499227843834
126a17423b61710
132808a1347a1a8
14110d9b19c0844
1570c68edeba9c
hex3780d861e4bc

61026525635772 has 24 divisors (see below), whose sum is σ = 142637807805696. Its totient is φ = 20307520737328.

The previous prime is 61026525635741. The next prime is 61026525635791. The reversal of 61026525635772 is 27753652562016.

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, 4331801988 + ... + 4331816075.

It is an arithmetic number, because the mean of its divisors is an integer number (5943241991904).

Almost surely, 261026525635772 is an apocalyptic number.

It is an amenable number.

61026525635772 is an abundant number, since it is smaller than the sum of its proper divisors (81611282169924).

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

61026525635772 is a wasteful number, since it uses less digits than its factorization.

61026525635772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8663618657 (or 8663618655 counting only the distinct ones).

The product of its (nonzero) digits is 31752000, while the sum is 57.

The spelling of 61026525635772 in words is "sixty-one trillion, twenty-six billion, five hundred twenty-five million, six hundred thirty-five thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 12 587 1174 1761 2348 3522 7044 8663618063 17327236126 25990854189 34654472252 51981708378 103963416756 5085543802981 10171087605962 15256631408943 20342175211924 30513262817886 61026525635772