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107268681854 = 2177343218647
BaseRepresentation
bin110001111100110110…
…1100011000001111110
3101020212201221122020202
41203321231203001332
53224141240304404
6121140100043502
710515134515535
oct1437155430176
9336781848222
10107268681854
1141546413394
1218958093592
13a166699519
14529855b31c
152bcc42821e
hex18f9b6307e

107268681854 has 16 divisors (see below), whose sum is σ = 172701717408. Its totient is φ = 49787880192.

The previous prime is 107268681799. The next prime is 107268681869. The reversal of 107268681854 is 458186862701.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 107268681854.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21606842 + ... + 21611805.

It is an arithmetic number, because the mean of its divisors is an integer number (10793857338).

Almost surely, 2107268681854 is an apocalyptic number.

107268681854 is a deficient number, since it is larger than the sum of its proper divisors (65433035554).

107268681854 is a wasteful number, since it uses less digits than its factorization.

107268681854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43218739.

The product of its (nonzero) digits is 5160960, while the sum is 56.

The spelling of 107268681854 in words is "one hundred seven billion, two hundred sixty-eight million, six hundred eighty-one thousand, eight hundred fifty-four".

Divisors: 1 2 17 34 73 146 1241 2482 43218647 86437294 734716999 1469433998 3154961231 6309922462 53634340927 107268681854