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172101054112 = 25131068738711
BaseRepresentation
bin1010000001001000000…
…1011010111010100000
3121110020000111101112021
42200102001122322200
510304430332212422
6211021230511224
715301552552231
oct2402201327240
9543200441467
10172101054112
1166a95616229
1229430365514
13132c9323980
148488b19088
15472401edc7
hex281205aea0

172101054112 has 48 divisors (see below), whose sum is σ = 364930900992. Its totient is φ = 79421771520.

The previous prime is 172101054109. The next prime is 172101054131. The reversal of 172101054112 is 211450101271.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 4426437 + ... + 4465147.

It is an arithmetic number, because the mean of its divisors is an integer number (7602727104).

Almost surely, 2172101054112 is an apocalyptic number.

It is an amenable number.

172101054112 is an abundant number, since it is smaller than the sum of its proper divisors (192829846880).

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

172101054112 is a wasteful number, since it uses less digits than its factorization.

172101054112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49421 (or 49413 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 25.

Adding to 172101054112 its reverse (211450101271), we get a palindrome (383551155383).

The spelling of 172101054112 in words is "one hundred seventy-two billion, one hundred one million, fifty-four thousand, one hundred twelve".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 10687 21374 38711 42748 77422 85496 138931 154844 170992 277862 309688 341984 503243 555724 619376 1006486 1111448 1238752 2012972 2222896 4025944 4445792 8051888 16103776 413704457 827408914 1654817828 3309635656 5378157941 6619271312 10756315882 13238542624 21512631764 43025263528 86050527056 172101054112