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14975970618894 = 232495995103149
BaseRepresentation
bin1101100111101101110101…
…1010001010111000001110
31222000200121010211100020120
43121323131122022320032
53430331241434301034
651503511012325410
73103656340625655
oct331733532127016
958020533740216
1014975970618894
114854300a9a92a
12181a53a313866
138482c6b0708c
1439abab3cc19c
151ae85ccbcc49
hexd9edd68ae0e

14975970618894 has 8 divisors (see below), whose sum is σ = 29951941237800. Its totient is φ = 4991990206296.

The previous prime is 14975970618877. The next prime is 14975970618899. The reversal of 14975970618894 is 49881607957941.

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

14975970618894 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14975970618899) 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, 1247997551569 + ... + 1247997551580.

It is an arithmetic number, because the mean of its divisors is an integer number (3743992654725).

Almost surely, 214975970618894 is an apocalyptic number.

14975970618894 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14975970618894 is a wasteful number, since it uses less digits than its factorization.

14975970618894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495995103154.

The product of its (nonzero) digits is 1097349120, while the sum is 78.

The spelling of 14975970618894 in words is "fourteen trillion, nine hundred seventy-five billion, nine hundred seventy million, six hundred eighteen thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 2495995103149 4991990206298 7487985309447 14975970618894