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2115285701 is a prime number
BaseRepresentation
bin111111000010100…
…1011001011000101
312110102021122110212
41332011023023011
513313003120301
6545521525205
7103263426464
oct17605131305
95412248425
102115285701
11996029501
124b04a3805
13279310559
14160d089db
15c5a864bb
hex7e14b2c5

2115285701 has 2 divisors, whose sum is σ = 2115285702. Its totient is φ = 2115285700.

The previous prime is 2115285647. The next prime is 2115285721. The reversal of 2115285701 is 1075825112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2113608676 + 1677025 = 45974^2 + 1295^2 .

It is a cyclic number.

It is not a de Polignac number, because 2115285701 - 222 = 2111091397 is a prime.

It is a super-2 number, since 2×21152857012 = 8948867193710122802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2115285721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057642850 + 1057642851.

It is an arithmetic number, because the mean of its divisors is an integer number (1057642851).

Almost surely, 22115285701 is an apocalyptic number.

It is an amenable number.

2115285701 is a deficient number, since it is larger than the sum of its proper divisors (1).

2115285701 is an equidigital number, since it uses as much as digits as its factorization.

2115285701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 32.

The square root of 2115285701 is about 45992.2352250899. The cubic root of 2115285701 is about 1283.6787280966.

The spelling of 2115285701 in words is "two billion, one hundred fifteen million, two hundred eighty-five thousand, seven hundred one".