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51945082112000 = 2115371129891021
BaseRepresentation
bin10111100111110011010000…
…01010101100100000000000
320210220220100002022100102002
423303321220022230200000
523302032012010041000
6302251124041243132
713640623362526430
oct1363715012544000
9223826302270362
1051945082112000
1115607870712880
1259ab37aa934a8
1322ca5283a851c
14cb822655c2c0
156013266608d5
hex2f3e682ac800

51945082112000 has 1536 divisors, whose sum is σ = 169224951168000. Its totient is φ = 15441592320000.

The previous prime is 51945082111991. The next prime is 51945082112017. The reversal of 51945082112000 is 21128054915.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 50876671490 + ... + 50876672510.

It is an arithmetic number, because the mean of its divisors is an integer number (110172494250).

Almost surely, 251945082112000 is an apocalyptic number.

51945082112000 is a gapful number since it is divisible by the number (50) 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 51945082112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84612475584000).

51945082112000 is an abundant number, since it is smaller than the sum of its proper divisors (117279869056000).

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

51945082112000 is a wasteful number, since it uses less digits than its factorization.

51945082112000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194 (or 1164 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 38.

The spelling of 51945082112000 in words is "fifty-one trillion, nine hundred forty-five billion, eighty-two million, one hundred twelve thousand".