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109222966961 = 215297507313
BaseRepresentation
bin110010110111000110…
…0100011011010110001
3101102220221021121102122
41211232030203122301
53242142034420321
6122102031124025
710614434621003
oct1455614433261
9342827247378
10109222966961
1142359576749
1219202673615
13a3b8528a44
145401d16373
152c93caa8ab
hex196e3236b1

109222966961 has 4 divisors (see below), whose sum is σ = 109223689572. Its totient is φ = 109222244352.

The previous prime is 109222966939. The next prime is 109222967107. The reversal of 109222966961 is 169669222901.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 169669222901 = 374585654673.

It can be written as a sum of positive squares in 2 ways, for example, as 101493216400 + 7729750561 = 318580^2 + 87919^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-109222966961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109222966921) 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 3 ways as a sum of consecutive naturals, for example, 38360 + ... + 468953.

It is an arithmetic number, because the mean of its divisors is an integer number (27305922393).

Almost surely, 2109222966961 is an apocalyptic number.

It is an amenable number.

109222966961 is a deficient number, since it is larger than the sum of its proper divisors (722611).

109222966961 is an equidigital number, since it uses as much as digits as its factorization.

109222966961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722610.

The product of its (nonzero) digits is 1259712, while the sum is 53.

The spelling of 109222966961 in words is "one hundred nine billion, two hundred twenty-two million, nine hundred sixty-six thousand, nine hundred sixty-one".

Divisors: 1 215297 507313 109222966961