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2113054457 = 17316165731
BaseRepresentation
bin111110111110010…
…1010011011111001
312110021002021210012
41331330222123321
513311420220312
6545402031305
7103235444423
oct17574523371
95407067705
102113054457
119948450a8
124ab7a8535
13278a0baa7
141608c7813
15c5795322
hex7df2a6f9

2113054457 has 16 divisors (see below), whose sum is σ = 2347421184. Its totient is φ = 1893024000.

The previous prime is 2113054451. The next prime is 2113054469. The reversal of 2113054457 is 7544503112.

It is a cyclic number.

It is not a de Polignac number, because 2113054457 - 26 = 2113054393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2113054451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 719 + ... + 65012.

It is an arithmetic number, because the mean of its divisors is an integer number (146713824).

Almost surely, 22113054457 is an apocalyptic number.

It is an amenable number.

2113054457 is a deficient number, since it is larger than the sum of its proper divisors (234366727).

2113054457 is a wasteful number, since it uses less digits than its factorization.

2113054457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65840.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 2113054457 is about 45967.9720783939. The cubic root of 2113054457 is about 1283.2272196439.

Adding to 2113054457 its reverse (7544503112), we get a palindrome (9657557569).

The spelling of 2113054457 in words is "two billion, one hundred thirteen million, fifty-four thousand, four hundred fifty-seven".

Divisors: 1 17 31 61 527 1037 1891 32147 65731 1117427 2037661 4009591 34640237 68163047 124297321 2113054457