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1230664389120 = 293458876691
BaseRepresentation
bin10001111010001001010…
…100000101001000000000
311100122120010011110220000
4101322021110011020000
5130130400040422440
62341205344520000
7154625003465265
oct21721124051000
94318503143800
101230664389120
11434a15a67541
1217a617020000
138c08850135a
14437c8cbb26c
152202bd00730
hex11e89505200

1230664389120 has 400 divisors, whose sum is σ = 4413479894208. Its totient is φ = 327758192640.

The previous prime is 1230664389109. The next prime is 1230664389167. The reversal of 1230664389120 is 219834660321.

1230664389120 is a `hidden beast` number, since 1 + 2 + 30 + 66 + 438 + 9 + 120 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 183924975 + ... + 183931665.

Almost surely, 21230664389120 is an apocalyptic number.

1230664389120 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 1230664389120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2206739947104).

1230664389120 is an abundant number, since it is smaller than the sum of its proper divisors (3182815505088).

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

1230664389120 is an frugal number, since it uses more digits than its factorization.

1230664389120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7613 (or 7588 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 1230664389120 in words is "one trillion, two hundred thirty billion, six hundred sixty-four million, three hundred eighty-nine thousand, one hundred twenty".