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120852172000 = 255374439743
BaseRepresentation
bin111000010001101011…
…0011100110011100000
3102112221101200102201101
41300203112130303200
53440001124001000
6131304013244144
711505554340610
oct1604326346340
9375841612641
10120852172000
114728699a5aa
121b509193654
13b51c906161
145bc65b2a40
153224bd5e6a
hex1c2359cce0

120852172000 has 192 divisors, whose sum is σ = 340153841664. Its totient is φ = 41337254400.

The previous prime is 120852171943. The next prime is 120852172013. The reversal of 120852172000 is 271258021.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 120852172000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12399129 + ... + 12408871.

It is an arithmetic number, because the mean of its divisors is an integer number (1771634592).

Almost surely, 2120852172000 is an apocalyptic number.

120852172000 is a gapful number since it is divisible by the number (10) 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 120852172000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170076920832).

120852172000 is an abundant number, since it is smaller than the sum of its proper divisors (219301669664).

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

120852172000 is an equidigital number, since it uses as much as digits as its factorization.

120852172000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10218 (or 10200 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The spelling of 120852172000 in words is "one hundred twenty billion, eight hundred fifty-two million, one hundred seventy-two thousand".