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13084042668 = 2234999218111
BaseRepresentation
bin11000010111101111…
…01010010110101100
31020202211221020022220
430023313222112230
5203244003331133
610002152235340
7642143345664
oct141367522654
936684836286
1013084042668
115604667a04
12265199bb50
1313069191a8
148c19a51a4
15518a035b3
hex30bdea5ac

13084042668 has 24 divisors (see below), whose sum is σ = 30535680000. Its totient is φ = 4360455120.

The previous prime is 13084042663. The next prime is 13084042681. The reversal of 13084042668 is 86624048031.

It is not an unprimeable number, because it can be changed into a prime (13084042663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49068 + ... + 169043.

It is an arithmetic number, because the mean of its divisors is an integer number (1272320000).

Almost surely, 213084042668 is an apocalyptic number.

It is an amenable number.

13084042668 is an abundant number, since it is smaller than the sum of its proper divisors (17451637332).

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

13084042668 is a wasteful number, since it uses less digits than its factorization.

13084042668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223117 (or 223115 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 13084042668 in words is "thirteen billion, eighty-four million, forty-two thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 4999 9998 14997 19996 29994 59988 218111 436222 654333 872444 1308666 2617332 1090336889 2180673778 3271010667 4361347556 6542021334 13084042668