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11906787386911 = 611271536954613
BaseRepresentation
bin1010110101000100001111…
…0101010010011000011111
31120011021111111002202000011
42231101003311102120133
53030040100032340121
641153522544144051
72336144201614024
oct255210365223037
946137444082004
1011906787386911
113880705085a7a
121403747008027
13684a61133a21
142d241217154b
15159ac9a037e1
hexad443d5261f

11906787386911 has 8 divisors (see below), whose sum is σ = 12197271816704. Its totient is φ = 11619376866720.

The previous prime is 11906787386891. The next prime is 11906787386933. The reversal of 11906787386911 is 11968378760911.

11906787386911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11906787386911 - 29 = 11906787386399 is a prime.

It is a super-2 number, since 2×119067873869112 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11906787386941) 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, 768469560 + ... + 768485053.

It is an arithmetic number, because the mean of its divisors is an integer number (1524658977088).

Almost surely, 211906787386911 is an apocalyptic number.

11906787386911 is a deficient number, since it is larger than the sum of its proper divisors (290484429793).

11906787386911 is a wasteful number, since it uses less digits than its factorization.

11906787386911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536954801.

The product of its (nonzero) digits is 27433728, while the sum is 67.

The spelling of 11906787386911 in words is "eleven trillion, nine hundred six billion, seven hundred eighty-seven million, three hundred eighty-six thousand, nine hundred eleven".

Divisors: 1 61 127 7747 1536954613 93754231393 195193235851 11906787386911