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172972164096 = 210342085409
BaseRepresentation
bin1010000100010111110…
…0011100010000000000
3121112110201122100210000
42201011330130100000
510313221333222341
6211243505440000
715332261064414
oct2410574342000
9545421570700
10172972164096
11673a2306036
1229634040000
1313407943674
14852c6b4d44
1547757418b6
hex2845f1c400

172972164096 has 110 divisors (see below), whose sum is σ = 516528946670. Its totient is φ = 57657360384.

The previous prime is 172972164083. The next prime is 172972164103. The reversal of 172972164096 is 690461279271.

172972164096 is a `hidden beast` number, since 17 + 2 + 9 + 7 + 216 + 409 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 169138077696 + 3834086400 = 411264^2 + 61920^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 959761 + ... + 1125648.

It is an arithmetic number, because the mean of its divisors is an integer number (4695717697).

Almost surely, 2172972164096 is an apocalyptic number.

172972164096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

172972164096 is an abundant number, since it is smaller than the sum of its proper divisors (343556782574).

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

172972164096 is an equidigital number, since it uses as much as digits as its factorization.

172972164096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085441 (or 2085414 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 172972164096 in words is "one hundred seventy-two billion, nine hundred seventy-two million, one hundred sixty-four thousand, ninety-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 256 288 324 384 432 512 576 648 768 864 1024 1152 1296 1536 1728 2304 2592 3072 3456 4608 5184 6912 9216 10368 13824 20736 27648 41472 82944 2085409 4170818 6256227 8341636 12512454 16683272 18768681 25024908 33366544 37537362 50049816 56306043 66733088 75074724 100099632 112612086 133466176 150149448 168918129 200199264 225224172 266932352 300298896 337836258 400398528 450448344 533864704 600597792 675672516 800797056 900896688 1067729408 1201195584 1351345032 1601594112 1801793376 2135458816 2402391168 2702690064 3203188224 3603586752 4804782336 5405380128 6406376448 7207173504 9609564672 10810760256 14414347008 19219129344 21621520512 28828694016 43243041024 57657388032 86486082048 172972164096