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157164010336020 = 22352619400172267
BaseRepresentation
bin100011101111000010011001…
…000000011110111100010100
3202121110201210002211002121110
4203233002121000132330110
5131044433343121223040
61314132052152215020
745050503454652552
oct4357023100367424
9677421702732543
10157164010336020
1146093978639556
121576353109a470
13699066c23133c
142ab4ac8a0abd2
1513282e36d3980
hex8ef09901ef14

157164010336020 has 24 divisors (see below), whose sum is σ = 440059228941024. Its totient is φ = 41910402756256.

The previous prime is 157164010335911. The next prime is 157164010336027. The reversal of 157164010336020 is 20633010461751.

It is a super-2 number, since 2×1571640103360202 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 157164010336020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157164010336027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1309700086074 + ... + 1309700086193.

It is an arithmetic number, because the mean of its divisors is an integer number (18335801205876).

Almost surely, 2157164010336020 is an apocalyptic number.

157164010336020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157164010336020 is an abundant number, since it is smaller than the sum of its proper divisors (282895218605004).

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

157164010336020 is a wasteful number, since it uses less digits than its factorization.

157164010336020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619400172279 (or 2619400172277 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

Adding to 157164010336020 its reverse (20633010461751), we get a palindrome (177797020797771).

The spelling of 157164010336020 in words is "one hundred fifty-seven trillion, one hundred sixty-four billion, ten million, three hundred thirty-six thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2619400172267 5238800344534 7858200516801 10477600689068 13097000861335 15716401033602 26194001722670 31432802067204 39291002584005 52388003445340 78582005168010 157164010336020