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10001223204 = 2237222774929
BaseRepresentation
bin10010101000001111…
…01000111000100100
3221211000001210001020
421110013220320210
5130440303120304
64332224531140
7502560665100
oct112407507044
927730053036
1010001223204
114272480025
121b31480ab0
13c3502816b
146ac3a0900
153d80505d9
hex2541e8e24

10001223204 has 72 divisors (see below), whose sum is σ = 27266127840. Its totient is φ = 2844866304.

The previous prime is 10001223157. The next prime is 10001223209. The reversal of 10001223204 is 40232210001.

It is not an unprimeable number, because it can be changed into a prime (10001223209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96012 + ... + 170940.

It is an arithmetic number, because the mean of its divisors is an integer number (378696220).

Almost surely, 210001223204 is an apocalyptic number.

10001223204 is a gapful number since it is divisible by the number (14) 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 10001223204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13633063920).

10001223204 is an abundant number, since it is smaller than the sum of its proper divisors (17264904636).

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

10001223204 is a wasteful number, since it uses less digits than its factorization.

10001223204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75177 (or 75168 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 10001223204 its reverse (40232210001), we get a palindrome (50233433205).

The spelling of 10001223204 in words is "ten billion, one million, two hundred twenty-three thousand, two hundred four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 227 294 454 588 681 908 1362 1589 2724 3178 4767 6356 9534 11123 19068 22246 33369 44492 66738 74929 133476 149858 224787 299716 449574 524503 899148 1049006 1573509 2098012 3147018 3671521 6294036 7343042 11014563 14686084 17008883 22029126 34017766 44058252 51026649 68035532 102053298 119062181 204106596 238124362 357186543 476248724 714373086 833435267 1428746172 1666870534 2500305801 3333741068 5000611602 10001223204