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20169806088 = 2332887291101
BaseRepresentation
bin10010110010001101…
…101101000100001000
31221001200001022102010
4102302031231010020
5312301432243323
613133232535520
71312553344245
oct226215550410
957050038363
1020169806088
118610369933
123aaa9b15a0
131b9591c903
14d94a885cc
157d0b0dc93
hex4b236d108

20169806088 has 32 divisors (see below), whose sum is σ = 50442154560. Its totient is φ = 6720916800.

The previous prime is 20169806071. The next prime is 20169806101. The reversal of 20169806088 is 88060896102.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

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, 76263 + ... + 214838.

It is an arithmetic number, because the mean of its divisors is an integer number (1576317330).

Almost surely, 220169806088 is an apocalyptic number.

It is an amenable number.

20169806088 is an abundant number, since it is smaller than the sum of its proper divisors (30272348472).

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

20169806088 is a wasteful number, since it uses less digits than its factorization.

20169806088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293997 (or 293993 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 48.

The spelling of 20169806088 in words is "twenty billion, one hundred sixty-nine million, eight hundred six thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 2887 5774 8661 11548 17322 23096 34644 69288 291101 582202 873303 1164404 1746606 2328808 3493212 6986424 840408587 1680817174 2521225761 3361634348 5042451522 6723268696 10084903044 20169806088