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14784057987 = 3291242113681
BaseRepresentation
bin11011100010011001…
…01101001010000011
31102011022210221221020
431301030231022003
5220234204323422
610443001400523
71032235263606
oct156114551203
942138727836
1014784057987
1162a7240646
122a47199143
131517b9c70a
14a0369233d
155b7dab95c
hex37132d283

14784057987 has 16 divisors (see below), whose sum is σ = 20394936480. Its totient is φ = 9514713600.

The previous prime is 14784057983. The next prime is 14784057989. The reversal of 14784057987 is 78975048741.

It is not a de Polignac number, because 14784057987 - 22 = 14784057983 is a prime.

It is a super-5 number, since 5×147840579875 (a number of 52 digits) contains 55555 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14784057987.

It is not an unprimeable number, because it can be changed into a prime (14784057983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1073787 + ... + 1087467.

It is an arithmetic number, because the mean of its divisors is an integer number (1274683530).

Almost surely, 214784057987 is an apocalyptic number.

14784057987 is a deficient number, since it is larger than the sum of its proper divisors (5610878493).

14784057987 is a wasteful number, since it uses less digits than its factorization.

14784057987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26134.

The product of its (nonzero) digits is 15805440, while the sum is 60.

The spelling of 14784057987 in words is "fourteen billion, seven hundred eighty-four million, fifty-seven thousand, nine hundred eighty-seven".

Divisors: 1 3 29 87 12421 13681 37263 41043 360209 396749 1080627 1190247 169931701 509795103 4928019329 14784057987