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11680951 = 61191491
BaseRepresentation
bin101100100011…
…110010110111
3210222110020211
4230203302313
510442242301
61054210251
7201200152
oct54436267
923873224
1011680951
116659087
123ab3987
13255ca09
1417a0c99
15105b051
hexb23cb7

11680951 has 4 divisors (see below), whose sum is σ = 11872504. Its totient is φ = 11489400.

The previous prime is 11680919. The next prime is 11680961. The reversal of 11680951 is 15908611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11680951 - 25 = 11680919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11680901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95685 + ... + 95806.

It is an arithmetic number, because the mean of its divisors is an integer number (2968126).

Almost surely, 211680951 is an apocalyptic number.

11680951 is a deficient number, since it is larger than the sum of its proper divisors (191553).

11680951 is an equidigital number, since it uses as much as digits as its factorization.

11680951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191552.

The product of its (nonzero) digits is 2160, while the sum is 31.

The square root of 11680951 is about 3417.7406279588. The cubic root of 11680951 is about 226.8955965131.

The spelling of 11680951 in words is "eleven million, six hundred eighty thousand, nine hundred fifty-one".

Divisors: 1 61 191491 11680951