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2152261330560 = 2732511172117539
BaseRepresentation
bin11111010100011100110…
…001011010011010000000
321121202100210101212012100
4133110130301122122000
5240230312400034220
64324422445430400
7311332020313545
oct37243461323200
97552323355170
102152261330560
1175a850459070
122a9157b6b400
13127c5a469943
14762546c4bcc
153aeba390d90
hex1f51cc5a680

2152261330560 has 576 divisors, whose sum is σ = 8612715290400. Its totient is φ = 491064360960.

The previous prime is 2152261330507. The next prime is 2152261330573. The reversal of 2152261330560 is 650331622512.

2152261330560 is a `hidden beast` number, since 2 + 1 + 5 + 2 + 2 + 61 + 3 + 30 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 71 ways as a sum of consecutive naturals, for example, 18252271 + ... + 18369809.

Almost surely, 22152261330560 is an apocalyptic number.

2152261330560 is a gapful number since it is divisible by the number (20) 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 2152261330560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4306357645200).

2152261330560 is an abundant number, since it is smaller than the sum of its proper divisors (6460453959840).

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

2152261330560 is a wasteful number, since it uses less digits than its factorization.

2152261330560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117609 (or 117577 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 2152261330560 in words is "two trillion, one hundred fifty-two billion, two hundred sixty-one million, three hundred thirty thousand, five hundred sixty".