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1157912270 = 251071082161
BaseRepresentation
bin100010100000100…
…0101011011001110
32222200211001000122
41011001011123032
54332411143040
6310522024542
740460043344
oct10501053316
92880731018
101157912270
1154467a699
12283948152
13155b795b8
14adad5994
156b9c51b5
hex450456ce

1157912270 has 16 divisors (see below), whose sum is σ = 2103722928. Its totient is φ = 458835840.

The previous prime is 1157912263. The next prime is 1157912293. The reversal of 1157912270 is 722197511.

It is a self number, because there is not a number n which added to its sum of digits gives 1157912270.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540011 + ... + 542150.

It is an arithmetic number, because the mean of its divisors is an integer number (131482683).

Almost surely, 21157912270 is an apocalyptic number.

1157912270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1157912270 is a deficient number, since it is larger than the sum of its proper divisors (945810658).

1157912270 is a wasteful number, since it uses less digits than its factorization.

1157912270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082275.

The product of its (nonzero) digits is 8820, while the sum is 35.

The square root of 1157912270 is about 34028.1099974712. The cubic root of 1157912270 is about 1050.0868469360.

The spelling of 1157912270 in words is "one billion, one hundred fifty-seven million, nine hundred twelve thousand, two hundred seventy".

Divisors: 1 2 5 10 107 214 535 1070 1082161 2164322 5410805 10821610 115791227 231582454 578956135 1157912270