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10172065120 = 255728132321
BaseRepresentation
bin10010111100100110…
…10110010101100000
3222020220112110002121
421132103112111200
5131313022040440
64401210354024
7510034061350
oct113623262540
928226473077
1010172065120
11434a958098
121b7a72b914
13c61543759
146c6d52b60
153e804a34a
hex25e4d6560

10172065120 has 96 divisors (see below), whose sum is σ = 27563167296. Its totient is φ = 3475046400.

The previous prime is 10172065117. The next prime is 10172065129. The reversal of 10172065120 is 2156027101.

It is a super-2 number, since 2×101720651202 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10172065129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298560 + ... + 330880.

It is an arithmetic number, because the mean of its divisors is an integer number (287116326).

Almost surely, 210172065120 is an apocalyptic number.

10172065120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10172065120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13781583648).

10172065120 is an abundant number, since it is smaller than the sum of its proper divisors (17391102176).

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

10172065120 is a wasteful number, since it uses less digits than its factorization.

10172065120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32624 (or 32616 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 25.

The spelling of 10172065120 in words is "ten billion, one hundred seventy-two million, sixty-five thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 281 560 562 1120 1124 1405 1967 2248 2810 3934 4496 5620 7868 8992 9835 11240 15736 19670 22480 31472 32321 39340 44960 62944 64642 78680 129284 157360 161605 226247 258568 314720 323210 452494 517136 646420 904988 1034272 1131235 1292840 1809976 2262470 2585680 3619952 4524940 5171360 7239904 9049880 9082201 18099760 18164402 36199520 36328804 45411005 63575407 72657608 90822010 127150814 145315216 181644020 254301628 290630432 317877035 363288040 508603256 635754070 726576080 1017206512 1271508140 1453152160 2034413024 2543016280 5086032560 10172065120