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1142729902 = 217431136917
BaseRepresentation
bin100010000011100…
…1010110010101110
32221122020200201201
41010013022302232
54320014324102
6305220400114
740214021026
oct10407126256
92848220651
101142729902
1153704a986
1227a84603a
13152991c52
14abaa2a86
156a4c6987
hex441cacae

1142729902 has 32 divisors (see below), whose sum is σ = 1873837152. Its totient is φ = 520525824.

The previous prime is 1142729879. The next prime is 1142729921. The reversal of 1142729902 is 2099272411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161748 + ... + 168664.

It is an arithmetic number, because the mean of its divisors is an integer number (58557411).

Almost surely, 21142729902 is an apocalyptic number.

1142729902 is a deficient number, since it is larger than the sum of its proper divisors (731107250).

1142729902 is a wasteful number, since it uses less digits than its factorization.

1142729902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7092.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 1142729902 is about 33804.2882191003. The cubic root of 1142729902 is about 1045.4771146098.

The spelling of 1142729902 in words is "one billion, one hundred forty-two million, seven hundred twenty-nine thousand, nine hundred two".

Divisors: 1 2 17 34 43 86 113 226 731 1462 1921 3842 4859 6917 9718 13834 82603 117589 165206 235178 297431 594862 781621 1563242 5056327 10112654 13287557 26575114 33609703 67219406 571364951 1142729902