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64161022106290 = 2518529934625671
BaseRepresentation
bin11101001011010101001101…
…11011100101101010110010
322102011201210221120202010211
432211222212323211222302
531402203233124400130
6344243055555014334
716341323640316504
oct1645524673455262
9272151727522124
1064161022106290
111949759a33947a
127242a0459a3aa
1329a54875c0a55
1411bb5a520dd74
15763e970e6a2a
hex3a5aa6ee5ab2

64161022106290 has 16 divisors (see below), whose sum is σ = 115490466388800. Its totient is φ = 25664269598640.

The previous prime is 64161022106257. The next prime is 64161022106309. The reversal of 64161022106290 is 9260122016146.

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, 15459846 + ... + 19165825.

It is an arithmetic number, because the mean of its divisors is an integer number (7218154149300).

Almost surely, 264161022106290 is an apocalyptic number.

64161022106290 is a deficient number, since it is larger than the sum of its proper divisors (51329444282510).

64161022106290 is a wasteful number, since it uses less digits than its factorization.

64161022106290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34810977.

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 64161022106290 in words is "sixty-four trillion, one hundred sixty-one billion, twenty-two million, one hundred six thousand, two hundred ninety".

Divisors: 1 2 5 10 185299 370598 926495 1852990 34625671 69251342 173128355 346256710 6416102210629 12832204421258 32080511053145 64161022106290