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100231032210 = 23529115208083
BaseRepresentation
bin101110101011000111…
…1000010110110010010
3100120201021100222212020
41131112033002312102
53120233121012320
6114013454512310
710145550500541
oct1352617026622
9316637328766
10100231032210
1139564894011
1217513205696
1395b46407aa
144bcba00158
152919673940
hex17563c2d92

100231032210 has 32 divisors (see below), whose sum is σ = 248849461440. Its totient is φ = 25806610368.

The previous prime is 100231032179. The next prime is 100231032217. The reversal of 100231032210 is 12230132001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 100231032210.

It is not an unprimeable number, because it can be changed into a prime (100231032217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57603172 + ... + 57604911.

It is an arithmetic number, because the mean of its divisors is an integer number (7776545670).

Almost surely, 2100231032210 is an apocalyptic number.

100231032210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100231032210 is an abundant number, since it is smaller than the sum of its proper divisors (148618429230).

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

100231032210 is a wasteful number, since it uses less digits than its factorization.

100231032210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115208122.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 100231032210 its reverse (12230132001), we get a palindrome (112461164211).

The spelling of 100231032210 in words is "one hundred billion, two hundred thirty-one million, thirty-two thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 290 435 870 115208083 230416166 345624249 576040415 691248498 1152080830 1728121245 3341034407 3456242490 6682068814 10023103221 16705172035 20046206442 33410344070 50115516105 100231032210