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156245512461140 = 2257812275623057
BaseRepresentation
bin100011100001101010111110…
…010001001001101101010100
3202111012220222102000121102002
4203201222332101021231110
5130434411302142224030
61312150110355134432
744624236311563624
oct4341527621115524
9674186872017362
10156245512461140
114586a393521563
1215635515ba4418
136924b72354c4b
142a82474a36884
15130e487255245
hex8e1abe449b54

156245512461140 has 12 divisors (see below), whose sum is σ = 328115576168436. Its totient is φ = 62498204984448.

The previous prime is 156245512461133. The next prime is 156245512461161. The reversal of 156245512461140 is 41164215542651.

It can be written as a sum of positive squares in 2 ways, for example, as 82402494966724 + 73843017494416 = 9077582^2 + 8593196^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3906137811509 + ... + 3906137811548.

It is an arithmetic number, because the mean of its divisors is an integer number (27342964680703).

Almost surely, 2156245512461140 is an apocalyptic number.

156245512461140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156245512461140 is an abundant number, since it is smaller than the sum of its proper divisors (171870063707296).

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

156245512461140 is a wasteful number, since it uses less digits than its factorization.

156245512461140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7812275623066 (or 7812275623064 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 47.

The spelling of 156245512461140 in words is "one hundred fifty-six trillion, two hundred forty-five billion, five hundred twelve million, four hundred sixty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 7812275623057 15624551246114 31249102492228 39061378115285 78122756230570 156245512461140