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11794617851 = 611399138209
BaseRepresentation
bin10101111110000001…
…11001010111111011
31010102222122200000012
422333000321113323
5143123410232401
65230211332135
7565165411652
oct127700712773
933388580005
1011794617851
115002832a65
122351bb104b
13115c744823
147dc638199
154907018bb
hex2bf0395fb

11794617851 has 8 divisors (see below), whose sum is σ = 11996628000. Its totient is φ = 11592887040.

The previous prime is 11794617839. The next prime is 11794617871. The reversal of 11794617851 is 15871649711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11794617851 is a prime.

It is a super-2 number, since 2×117946178512 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11794617851.

It is not an unprimeable number, because it can be changed into a prime (11794617871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16235 + ... + 154443.

It is an arithmetic number, because the mean of its divisors is an integer number (1499578500).

Almost surely, 211794617851 is an apocalyptic number.

11794617851 is a deficient number, since it is larger than the sum of its proper divisors (202010149).

11794617851 is a wasteful number, since it uses less digits than its factorization.

11794617851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139669.

The product of its digits is 423360, while the sum is 50.

The spelling of 11794617851 in words is "eleven billion, seven hundred ninety-four million, six hundred seventeen thousand, eight hundred fifty-one".

Divisors: 1 61 1399 85339 138209 8430749 193354391 11794617851