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11881608713 = 132193700283
BaseRepresentation
bin10110001000011001…
…01111011000001001
31010200001100021000222
423010030233120021
5143313142434323
65243000035425
7600303002432
oct130414573011
933601307028
1011881608713
115047949537
122377162b75
131174781c00
1480a000489
154981869c8
hex2c432f609

11881608713 has 12 divisors (see below), whose sum is σ = 13543039440. Its totient is φ = 10390391856.

The previous prime is 11881608701. The next prime is 11881608719. The reversal of 11881608713 is 31780618811.

It is not a de Polignac number, because 11881608713 - 220 = 11880560137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11881608719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1846931 + ... + 1853352.

It is an arithmetic number, because the mean of its divisors is an integer number (1128586620).

Almost surely, 211881608713 is an apocalyptic number.

11881608713 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11881608713 is a deficient number, since it is larger than the sum of its proper divisors (1661430727).

11881608713 is a wasteful number, since it uses less digits than its factorization.

11881608713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700328 (or 3700315 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 44.

The spelling of 11881608713 in words is "eleven billion, eight hundred eighty-one million, six hundred eight thousand, seven hundred thirteen".

Divisors: 1 13 19 169 247 3211 3700283 48103679 70305377 625347827 913969901 11881608713