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2152554552512 = 267138910141117
BaseRepresentation
bin11111010100101110001…
…111111101110011000000
321121210010020011002002122
4133110232033331303000
5240231412431140022
64324511522303412
7311342210543210
oct37245617756300
97553106132078
102152554552512
1175a990a23061
122a921a1b7b68
13127ca6133560
1476281612240
153aed5eb1742
hex1f52e3fdcc0

2152554552512 has 224 divisors, whose sum is σ = 5369037125760. Its totient is φ = 833635123200.

The previous prime is 2152554552503. The next prime is 2152554552593.

2152554552512 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×21525545525122 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52331378 + ... + 52372494.

It is an arithmetic number, because the mean of its divisors is an integer number (23968915740).

Almost surely, 22152554552512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2152554552512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2684518562880).

2152554552512 is an abundant number, since it is smaller than the sum of its proper divisors (3216482573248).

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

2152554552512 is a wasteful number, since it uses less digits than its factorization.

2152554552512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41339 (or 41329 counting only the distinct ones).

The product of its digits is 1000000, while the sum is 44.

Adding to 2152554552512 its product of digits (1000000), we get a palindrome (2152555552512).

Subtracting from 2152554552512 its product of digits (1000000), we obtain a palindrome (2152553552512).

The spelling of 2152554552512 in words is "two trillion, one hundred fifty-two billion, five hundred fifty-four million, five hundred fifty-two thousand, five hundred twelve".