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2115135355040 = 25513219595969
BaseRepresentation
bin11110110001110111111…
…001000011100010100000
321111012112102022220002222
4132301313321003202200
5234123244122330130
64255402455130212
7305546011606061
oct36616771034240
97435472286088
102115135355040
11746029848174
122a1b16673968
131245c1961ba6
1474531aca568
153a045d66ce5
hex1ec77e438a0

2115135355040 has 24 divisors (see below), whose sum is σ = 4997007276660. Its totient is φ = 846054141952.

The previous prime is 2115135355019. The next prime is 2115135355049. The reversal of 2115135355040 is 405535315112.

It can be written as a sum of positive squares in 2 ways, for example, as 1833348496144 + 281786858896 = 1354012^2 + 530836^2 .

It is not an unprimeable number, because it can be changed into a prime (2115135355049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6609797825 + ... + 6609798144.

Almost surely, 22115135355040 is an apocalyptic number.

2115135355040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2115135355040 is an abundant number, since it is smaller than the sum of its proper divisors (2881871921620).

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

2115135355040 is a wasteful number, since it uses less digits than its factorization.

2115135355040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13219595984 (or 13219595976 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 2115135355040 in words is "two trillion, one hundred fifteen billion, one hundred thirty-five million, three hundred fifty-five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 13219595969 26439191938 52878383876 66097979845 105756767752 132195959690 211513535504 264391919380 423027071008 528783838760 1057567677520 2115135355040