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2115076505 = 51740162053
BaseRepresentation
bin111111000010001…
…1000000110011001
312110101220000111212
41332010120012121
513312424422010
6545513232505
7103261565543
oct17604300631
95411800455
102115076505
119959a6313
124b0402735
13279269279
14160c92693
15c5a44505
hex7e118199

2115076505 has 16 divisors (see below), whose sum is σ = 2694136464. Its totient is φ = 1588531200.

The previous prime is 2115076499. The next prime is 2115076507. The reversal of 2115076505 is 5056705112.

It can be written as a sum of positive squares in 8 ways, for example, as 237067609 + 1878008896 = 15397^2 + 43336^2 .

It is not a de Polignac number, because 2115076505 - 26 = 2115076441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2115076507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3059 + ... + 65111.

It is an arithmetic number, because the mean of its divisors is an integer number (168383529).

Almost surely, 22115076505 is an apocalyptic number.

It is an amenable number.

2115076505 is a deficient number, since it is larger than the sum of its proper divisors (579059959).

2115076505 is a wasteful number, since it uses less digits than its factorization.

2115076505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62476.

The product of its (nonzero) digits is 10500, while the sum is 32.

The square root of 2115076505 is about 45989.9609153998. The cubic root of 2115076505 is about 1283.6364092571.

The spelling of 2115076505 in words is "two billion, one hundred fifteen million, seventy-six thousand, five hundred five".

Divisors: 1 5 17 85 401 2005 6817 34085 62053 310265 1054901 5274505 24883253 124416265 423015301 2115076505