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11930286137555 = 520753114974087
BaseRepresentation
bin1010110110011011110001…
…1101111010000011010011
31120020112011011010221212002
42231212330131322003103
53030431211222400210
641212410420024215
72340635416655102
oct255467435720323
946215134127762
1011930286137555
11388a673559155
12140820483206b
1368703762b3c6
142d3600dac039
1515a5029d14a5
hexad9bc77a0d3

11930286137555 has 8 divisors (see below), whose sum is σ = 14317033334112. Its totient is φ = 9543768930688.

The previous prime is 11930286137543. The next prime is 11930286137557. The reversal of 11930286137555 is 55573168203911.

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-11930286137555 is a prime.

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 11930286137555.

It is not an unprimeable number, because it can be changed into a prime (11930286137557) 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, 57383279 + ... + 57590808.

It is an arithmetic number, because the mean of its divisors is an integer number (1789629166764).

Almost surely, 211930286137555 is an apocalyptic number.

11930286137555 is a deficient number, since it is larger than the sum of its proper divisors (2386747196557).

11930286137555 is a wasteful number, since it uses less digits than its factorization.

11930286137555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114994845.

The product of its (nonzero) digits is 6804000, while the sum is 56.

The spelling of 11930286137555 in words is "eleven trillion, nine hundred thirty billion, two hundred eighty-six million, one hundred thirty-seven thousand, five hundred fifty-five".

Divisors: 1 5 20753 103765 114974087 574870435 2386057227511 11930286137555