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135879077473780 = 22559235494889879
BaseRepresentation
bin11110111001010011010000…
…001001010010110111110100
3122211002220122112111001002211
4132321103100021102313310
5120302220322313130110
61200553553023343204
740422640131541504
oct3671232011226764
9584086575431084
10135879077473780
113a327aa19679a3
12132a6338151b04
135aa845a578004
14257a822303a04
1510a97d759e98a
hex7b94d0252df4

135879077473780 has 48 divisors (see below), whose sum is σ = 290194818480000. Its totient is φ = 53428137074816.

The previous prime is 135879077473759. The next prime is 135879077473801. The reversal of 135879077473780 is 87374770978531.

It is an interprime number because it is at equal distance from previous prime (135879077473759) and next prime (135879077473801).

It is a junction number, because it is equal to n+sod(n) for n = 135879077473697 and 135879077473706.

It is a congruent number.

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, 25342881 + ... + 30232759.

It is an arithmetic number, because the mean of its divisors is an integer number (6045725385000).

Almost surely, 2135879077473780 is an apocalyptic number.

135879077473780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135879077473780 is an abundant number, since it is smaller than the sum of its proper divisors (154315741006220).

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

135879077473780 is a wasteful number, since it uses less digits than its factorization.

135879077473780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4913496 (or 4913494 counting only the distinct ones).

The product of its (nonzero) digits is 1742549760, while the sum is 76.

The spelling of 135879077473780 in words is "one hundred thirty-five trillion, eight hundred seventy-nine billion, seventy-seven million, four hundred seventy-three thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 1180 23549 47098 94196 117745 235490 470980 1389391 2778782 4889879 5557564 6946955 9779758 13893910 19559516 24449395 27787820 48898790 97797580 288502861 577005722 1154011444 1442514305 2885028610 5770057220 115151760571 230303521142 460607042284 575758802855 1151517605710 2303035211420 6793953873689 13587907747378 27175815494756 33969769368445 67939538736890 135879077473780