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3120746160000 = 2735474145307
BaseRepresentation
bin101101011010011010111…
…101110101111110000000
3102001100012011110202001010
4231122122331311332000
5402112242004110000
610345352340440520
7441315666453060
oct55323275657600
912040164422033
103120746160000
11aa3556938957
124249a36a9140
13198392498c61
14ab08b3913a0
155629ee88d50
hex2d69af75f80

3120746160000 has 640 divisors, whose sum is σ = 12127335010560. Its totient is φ = 695900160000.

The previous prime is 3120746159983. The next prime is 3120746160029. The reversal of 3120746160000 is 616470213.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 3120746160000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 68857347 + ... + 68902653.

It is an arithmetic number, because the mean of its divisors is an integer number (18948960954).

Almost surely, 23120746160000 is an apocalyptic number.

3120746160000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3120746160000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6063667505280).

3120746160000 is an abundant number, since it is smaller than the sum of its proper divisors (9006588850560).

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

3120746160000 is an equidigital number, since it uses as much as digits as its factorization.

3120746160000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45392 (or 45365 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The spelling of 3120746160000 in words is "three trillion, one hundred twenty billion, seven hundred forty-six million, one hundred sixty thousand".