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468997668547 = 1748926816723
BaseRepresentation
bin1101101001100100111…
…00000111111011000011
31122211120020212002121021
412310302130013323003
530141001400343142
6555242103410311
745612125256352
oct6646234077303
91584506762537
10468997668547
1117099aa58a71
1276a8a453997
13352c3210555
14189b1a21999
15c2ee017267
hex6d32707ec3

468997668547 has 4 divisors (see below), whose sum is σ = 469024502760. Its totient is φ = 468970834336.

The previous prime is 468997668539. The next prime is 468997668617. The reversal of 468997668547 is 745866799864.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 468997668547 - 23 = 468997668539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (468997668247) 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, 13390873 + ... + 13425850.

It is an arithmetic number, because the mean of its divisors is an integer number (117256125690).

Almost surely, 2468997668547 is an apocalyptic number.

468997668547 is a deficient number, since it is larger than the sum of its proper divisors (26834213).

468997668547 is a wasteful number, since it uses less digits than its factorization.

468997668547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26834212.

The product of its digits is 4389396480, while the sum is 79.

The spelling of 468997668547 in words is "four hundred sixty-eight billion, nine hundred ninety-seven million, six hundred sixty-eight thousand, five hundred forty-seven".

Divisors: 1 17489 26816723 468997668547