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10101031032 = 23317139277643
BaseRepresentation
bin10010110100001000…
…11000000001111000
3222001221212112122110
421122010120001320
5131141330443112
64350152052320
7505212230031
oct113204300170
928057775573
1010101031032
114313850134
121b5a9940a0
13c4c902351
146bb741a88
153e1bb813c
hex25a118078

10101031032 has 128 divisors (see below), whose sum is σ = 27069638400. Its totient is φ = 3129919488.

The previous prime is 10101031021. The next prime is 10101031033. The reversal of 10101031032 is 23013010101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10101030999 and 10101031017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101031033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15708903 + ... + 15709545.

It is an arithmetic number, because the mean of its divisors is an integer number (211481550).

Almost surely, 210101031032 is an apocalyptic number.

10101031032 is a gapful number since it is divisible by the number (12) 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 10101031032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13534819200).

10101031032 is an abundant number, since it is smaller than the sum of its proper divisors (16968607368).

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

10101031032 is a wasteful number, since it uses less digits than its factorization.

10101031032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085 (or 1081 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 10101031032 its reverse (23013010101), we get a palindrome (33114041133).

The spelling of 10101031032 in words is "ten billion, one hundred one million, thirty-one thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 139 204 277 278 408 417 554 556 643 831 834 1108 1112 1286 1662 1668 1929 2216 2363 2572 3324 3336 3858 4709 4726 5144 6648 7089 7716 9418 9452 10931 14127 14178 15432 18836 18904 21862 28254 28356 32793 37672 38503 43724 56508 56712 65586 77006 87448 89377 113016 115509 131172 154012 178111 178754 231018 262344 268131 308024 356222 357508 462036 534333 536262 654551 712444 715016 924072 1068666 1072524 1309102 1424888 1519409 1963653 2137332 2145048 2618204 3027887 3038818 3927306 4274664 4558227 5236408 6055774 6077636 7854612 9083661 9116454 12111548 12155272 15709224 18167322 18232908 24223096 24757429 36334644 36465816 49514858 72669288 74272287 99029716 148544574 198059432 297089148 420876293 594178296 841752586 1262628879 1683505172 2525257758 3367010344 5050515516 10101031032