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164243074760 = 2354106076869
BaseRepresentation
bin1001100011110110100…
…1100110111011001000
3120200221101022200022222
42120331221212323020
510142332211343020
6203241403033212
714603045046362
oct2307551467310
9520841280288
10164243074760
1163722a30016
12279b880b808
131264634784b
147d4125dd32
154414229b25
hex263da66ec8

164243074760 has 16 divisors (see below), whose sum is σ = 369546918300. Its totient is φ = 65697229888.

The previous prime is 164243074741. The next prime is 164243074771. The reversal of 164243074760 is 67470342461.

It can be written as a sum of positive squares in 2 ways, for example, as 156646557796 + 7596516964 = 395786^2 + 87158^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2053038395 + ... + 2053038474.

Almost surely, 2164243074760 is an apocalyptic number.

164243074760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164243074760 is an abundant number, since it is smaller than the sum of its proper divisors (205303843540).

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

164243074760 is a wasteful number, since it uses less digits than its factorization.

164243074760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4106076880 (or 4106076876 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 44.

The spelling of 164243074760 in words is "one hundred sixty-four billion, two hundred forty-three million, seventy-four thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 4106076869 8212153738 16424307476 20530384345 32848614952 41060768690 82121537380 164243074760