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1057138910 = 251912774357
BaseRepresentation
bin111111000000101…
…010100011011110
32201200012012221222
4333000222203132
54131111421120
6252522053342
735124350432
oct7700524336
92650165858
101057138910
114a2800123
1225604a252
1313b024aa9
14a05829c2
1562c1b525
hex3f02a8de

1057138910 has 32 divisors (see below), whose sum is σ = 2005028640. Its totient is φ = 400194432.

The previous prime is 1057138871. The next prime is 1057138937. The reversal of 1057138910 is 198317501.

It is a super-2 number, since 2×10571389102 = 2235085350071976200, which contains 22 as substring.

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, 240452 + ... + 244808.

It is an arithmetic number, because the mean of its divisors is an integer number (62657145).

Almost surely, 21057138910 is an apocalyptic number.

1057138910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1057138910 is a deficient number, since it is larger than the sum of its proper divisors (947889730).

1057138910 is a wasteful number, since it uses less digits than its factorization.

1057138910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5660.

The product of its (nonzero) digits is 7560, while the sum is 35.

The square root of 1057138910 is about 32513.6726624354. The cubic root of 1057138910 is about 1018.6946360569.

The spelling of 1057138910 in words is "one billion, fifty-seven million, one hundred thirty-eight thousand, nine hundred ten".

Divisors: 1 2 5 10 19 38 95 190 1277 2554 4357 6385 8714 12770 21785 24263 43570 48526 82783 121315 165566 242630 413915 827830 5563889 11127778 27819445 55638890 105713891 211427782 528569455 1057138910