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10031212200 = 2335216718687
BaseRepresentation
bin10010101011110100…
…00010011010101000
3221220002111101012210
421111322002122220
5131020442242300
64335215405120
7503403616422
oct112572023250
927802441183
1010031212200
1142883a3219
121b3b5237a0
13c3b2c8129
146b2369812
153da9c6050
hex255e826a8

10031212200 has 48 divisors (see below), whose sum is σ = 31096759680. Its totient is φ = 2674989760.

The previous prime is 10031212181. The next prime is 10031212207. The reversal of 10031212200 is 221213001.

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

It is not an unprimeable number, because it can be changed into a prime (10031212207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8358744 + ... + 8359943.

It is an arithmetic number, because the mean of its divisors is an integer number (647849160).

Almost surely, 210031212200 is an apocalyptic number.

10031212200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10031212200 is an abundant number, since it is smaller than the sum of its proper divisors (21065547480).

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

10031212200 is a wasteful number, since it uses less digits than its factorization.

10031212200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16718706 (or 16718697 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 10031212200 its reverse (221213001), we get a palindrome (10252425201).

The spelling of 10031212200 in words is "ten billion, thirty-one million, two hundred twelve thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 150 200 300 600 16718687 33437374 50156061 66874748 83593435 100312122 133749496 167186870 200624244 250780305 334373740 401248488 417967175 501560610 668747480 835934350 1003121220 1253901525 1671868700 2006242440 2507803050 3343737400 5015606100 10031212200