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10550457731 = 11191511971697
BaseRepresentation
bin10011101001101101…
…10011010110000011
31000020021112210011202
421310312303112003
5133101404121411
64502524531415
7522310260662
oct116466632603
930207483152
1010550457731
114524505060
1220653b0b6b
13cc1a5b0c8
147212d0dd9
1541b39183b
hex274db3583

10550457731 has 32 divisors (see below), whose sum is σ = 12264721920. Its totient is φ = 8975232000.

The previous prime is 10550457727. The next prime is 10550457733. The reversal of 10550457731 is 13775405501.

It is a cyclic number.

It is not a de Polignac number, because 10550457731 - 22 = 10550457727 is a prime.

It is a super-2 number, since 2×105504577312 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10550457733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6216275 + ... + 6217971.

It is an arithmetic number, because the mean of its divisors is an integer number (383272560).

Almost surely, 210550457731 is an apocalyptic number.

10550457731 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10550457731 is a deficient number, since it is larger than the sum of its proper divisors (1714264189).

10550457731 is a wasteful number, since it uses less digits than its factorization.

10550457731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075.

The product of its (nonzero) digits is 73500, while the sum is 38.

The spelling of 10550457731 in words is "ten billion, five hundred fifty million, four hundred fifty-seven thousand, seven hundred thirty-one".

Divisors: 1 11 19 151 197 209 1661 1697 2167 2869 3743 18667 29747 31559 32243 41173 256247 327217 334309 354673 565193 2818717 3677399 4868693 6217123 6351871 50480659 53555623 69870581 555287249 959132521 10550457731