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1031429864 = 23128928733
BaseRepresentation
bin111101011110100…
…101111011101000
32122212211001210002
4331132211323220
54103021223424
6250203042132
734363003103
oct7536457350
92585731702
101031429864
1148a240583
12249510348
131358c2c3a
149adad73a
156083dcae
hex3d7a5ee8

1031429864 has 8 divisors (see below), whose sum is σ = 1933931010. Its totient is φ = 515714928.

The previous prime is 1031429821. The next prime is 1031429879. The reversal of 1031429864 is 4689241301.

It can be written as a sum of positive squares in only one way, i.e., 668222500 + 363207364 = 25850^2 + 19058^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 64464359 + ... + 64464374.

Almost surely, 21031429864 is an apocalyptic number.

It is an amenable number.

1031429864 is a deficient number, since it is larger than the sum of its proper divisors (902501146).

1031429864 is a wasteful number, since it uses less digits than its factorization.

1031429864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128928739 (or 128928735 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 1031429864 is about 32115.8818032449. The cubic root of 1031429864 is about 1010.3687390012.

The spelling of 1031429864 in words is "one billion, thirty-one million, four hundred twenty-nine thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 128928733 257857466 515714932 1031429864