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2115150115513 = 12716654725319
BaseRepresentation
bin11110110001111000110…
…001010111001010111001
321111012120110002210200011
4132301320301113022321
5234123311412144023
64255404143341521
7305546251223401
oct36617061271271
97435513083604
102115150115513
11746037109a06
122a1b1b5b18a1
131245c4a2c4b6
1474533a4d801
153a0472d050d
hex1ec78c572b9

2115150115513 has 4 divisors (see below), whose sum is σ = 2131804840960. Its totient is φ = 2098495390068.

The previous prime is 2115150115499. The next prime is 2115150115517. The reversal of 2115150115513 is 3155110515112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2115150115513 - 237 = 1977711162041 is a prime.

It is a super-2 number, since 2×21151501155132 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2115150115517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8327362533 + ... + 8327362786.

It is an arithmetic number, because the mean of its divisors is an integer number (532951210240).

Almost surely, 22115150115513 is an apocalyptic number.

It is an amenable number.

2115150115513 is a deficient number, since it is larger than the sum of its proper divisors (16654725447).

2115150115513 is a wasteful number, since it uses less digits than its factorization.

2115150115513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16654725446.

The product of its (nonzero) digits is 3750, while the sum is 31.

The spelling of 2115150115513 in words is "two trillion, one hundred fifteen billion, one hundred fifty million, one hundred fifteen thousand, five hundred thirteen".

Divisors: 1 127 16654725319 2115150115513