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14520201957 = 323119517267
BaseRepresentation
bin11011000010111100…
…01011001011100101
31101110221022200111200
431201132023023211
5214214132430312
610400454153113
71022552452212
oct154136131345
941427280450
1014520201957
116181303708
122992952799
1314a53182a1
149ba60ab09
1559eb3c0dc
hex36178b2e5

14520201957 has 12 divisors (see below), whose sum is σ = 20980390080. Its totient is φ = 9677012328.

The previous prime is 14520201931. The next prime is 14520201979. The reversal of 14520201957 is 75910202541.

It is not a de Polignac number, because 14520201957 - 232 = 10225234661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14520201457) 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, 230563 + ... + 286704.

It is an arithmetic number, because the mean of its divisors is an integer number (1748365840).

Almost surely, 214520201957 is an apocalyptic number.

It is an amenable number.

14520201957 is a deficient number, since it is larger than the sum of its proper divisors (6460188123).

14520201957 is a wasteful number, since it uses less digits than its factorization.

14520201957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520392 (or 520389 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 14520201957 in words is "fourteen billion, five hundred twenty million, two hundred one thousand, nine hundred fifty-seven".

Divisors: 1 3 9 3119 9357 28071 517267 1551801 4655403 1613355773 4840067319 14520201957