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2115360360400 = 245272433249253
BaseRepresentation
bin11110110010000101010…
…011011000011111010000
321111020010002201100102211
4132302011103120133100
5234124224223013100
64255441053521504
7305554413250300
oct36620523303720
97436102640384
102115360360400
1174613485a011
122a1b79aa3294
13124629462961
147455393b600
153a05a9b01ba
hex1ec854d87d0

2115360360400 has 180 divisors, whose sum is σ = 5925569679372. Its totient is φ = 723588526080.

The previous prime is 2115360360383. The next prime is 2115360360413. The reversal of 2115360360400 is 40630635112.

It can be written as a sum of positive squares in 6 ways, for example, as 577393298496 + 1537967061904 = 759864^2 + 1240148^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8362174 + ... + 8611426.

Almost surely, 22115360360400 is an apocalyptic number.

2115360360400 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 2115360360400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2962784839686).

2115360360400 is an abundant number, since it is smaller than the sum of its proper divisors (3810209318972).

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

2115360360400 is a wasteful number, since it uses less digits than its factorization.

2115360360400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249718 (or 249700 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 2115360360400 its reverse (40630635112), we get a palindrome (2155990995512).

The spelling of 2115360360400 in words is "two trillion, one hundred fifteen billion, three hundred sixty million, three hundred sixty thousand, four hundred".