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106180281872 = 2473191018301
BaseRepresentation
bin110001011100011010…
…1101000011000010000
3101011001212221012011022
41202320311220120100
53214424123004442
6120440055535012
710446150335000
oct1427065503020
9334055835138
10106180281872
1141038001375
12186b368a468
13a02204a772
1451d3b9c000
152b66ad43d2
hex18b8d68610

106180281872 has 80 divisors (see below), whose sum is σ = 252538896000. Its totient is φ = 43110748800.

The previous prime is 106180281829. The next prime is 106180281901. The reversal of 106180281872 is 278182081601.

It is a super-2 number, since 2×1061802818722 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404879 + ... + 613422.

It is an arithmetic number, because the mean of its divisors is an integer number (3156736200).

Almost surely, 2106180281872 is an apocalyptic number.

It is an amenable number.

106180281872 is an abundant number, since it is smaller than the sum of its proper divisors (146358614128).

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

106180281872 is a wasteful number, since it uses less digits than its factorization.

106180281872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018349 (or 1018329 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 44.

The spelling of 106180281872 in words is "one hundred six billion, one hundred eighty million, two hundred eighty-one thousand, eight hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 19 28 38 49 56 76 98 112 133 152 196 266 304 343 392 532 686 784 931 1064 1372 1862 2128 2744 3724 5488 6517 7448 13034 14896 26068 52136 104272 1018301 2036602 4073204 7128107 8146408 14256214 16292816 19347719 28512428 38695438 49896749 57024856 77390876 99793498 114049712 135434033 154781752 199586996 270868066 309563504 349277243 399173992 541736132 698554486 798347984 948038231 1083472264 1397108972 1896076462 2166944528 2794217944 3792152924 5588435888 6636267617 7584305848 13272535234 15168611696 26545070468 53090140936 106180281872