Search a number
-
+
10680137081 = 2931109108991
BaseRepresentation
bin10011111001001010…
…11111010101111001
31000120022120011210122
421330211133111321
5133333103341311
64523440223025
7525443444615
oct117445372571
930508504718
1010680137081
114590728079
1220a090aa75
131012893953
1473460a345
1542795a0db
hex27c95f579

10680137081 has 16 divisors (see below), whose sum is σ = 11509555200. Its totient is φ = 9887572800.

The previous prime is 10680137059. The next prime is 10680137087. The reversal of 10680137081 is 18073108601.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10680137081 is a prime.

It is a super-2 number, since 2×106801370812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10680137087) 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, 43496 + ... + 152486.

It is an arithmetic number, because the mean of its divisors is an integer number (719347200).

Almost surely, 210680137081 is an apocalyptic number.

It is an amenable number.

10680137081 is a deficient number, since it is larger than the sum of its proper divisors (829418119).

10680137081 is a wasteful number, since it uses less digits than its factorization.

10680137081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109160.

The product of its (nonzero) digits is 8064, while the sum is 35.

The spelling of 10680137081 in words is "ten billion, six hundred eighty million, one hundred thirty-seven thousand, eighty-one".

Divisors: 1 29 31 109 899 3161 3379 97991 108991 3160739 3378721 11880019 97982909 344520551 368280589 10680137081