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431042203241212 = 222812387916059697
BaseRepresentation
bin110001000000001111101010…
…1011010000100101011111100
32002112012020021021020002100211
41202000133111122010223330
5422444143413012204322
64124430015434402204
7156535525423610263
oct14200372532045374
92075166237202324
10431042203241212
11115385a76534392
1240416a49890364
131566914a602ac4
1478627a808b5da
1534c75e47b2b77
hex18807d5684afc

431042203241212 has 24 divisors (see below), whose sum is σ = 757040031185760. Its totient is φ = 214745115809280.

The previous prime is 431042203241191. The next prime is 431042203241219. The reversal of 431042203241212 is 212142302240134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431042203241219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18810148 + ... + 34869844.

It is an arithmetic number, because the mean of its divisors is an integer number (31543334632740).

Almost surely, 2431042203241212 is an apocalyptic number.

It is an amenable number.

431042203241212 is a deficient number, since it is larger than the sum of its proper divisors (325997827944548).

431042203241212 is a wasteful number, since it uses less digits than its factorization.

431042203241212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16083861 (or 16083859 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 431042203241212 its reverse (212142302240134), we get a palindrome (643184505481346).

The spelling of 431042203241212 in words is "four hundred thirty-one trillion, forty-two billion, two hundred three million, two hundred forty-one thousand, two hundred twelve".

Divisors: 1 2 4 281 562 1124 23879 47758 95516 6709999 13419998 16059697 26839996 32119394 64238788 4512774857 9025549714 18051099428 383489504663 766979009326 1533958018652 107760550810303 215521101620606 431042203241212