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201431303412 = 22319883470629
BaseRepresentation
bin1011101110011000111…
…1011100010011110100
3201020221002112102122220
42323212033130103310
511300012403202122
6232311455522340
720360440554153
oct2734617342364
9636832472586
10201431303412
11784767a0689
1233056b293b0
1315cc1a0ac81
149a6c22159a
15538de4e25c
hex2ee63dc4f4

201431303412 has 24 divisors (see below), whose sum is σ = 494743552800. Its totient is φ = 63609885216.

The previous prime is 201431303401. The next prime is 201431303429. The reversal of 201431303412 is 214303134102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441735087 + ... + 441735542.

It is an arithmetic number, because the mean of its divisors is an integer number (20614314700).

Almost surely, 2201431303412 is an apocalyptic number.

It is an amenable number.

201431303412 is an abundant number, since it is smaller than the sum of its proper divisors (293312249388).

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

201431303412 is a wasteful number, since it uses less digits than its factorization.

201431303412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883470655 (or 883470653 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 201431303412 its reverse (214303134102), we get a palindrome (415734437514).

The spelling of 201431303412 in words is "two hundred one billion, four hundred thirty-one million, three hundred three thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 883470629 1766941258 2650411887 3533882516 5300823774 10601647548 16785941951 33571883902 50357825853 67143767804 100715651706 201431303412