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2135006613 = 3379074319
BaseRepresentation
bin111111101000001…
…1001110110010101
312111210101120111000
41333100121312111
513333030202423
6551504333513
7103623154035
oct17720316625
95453346430
102135006613
119a6179083
124b7014299
1328042692c
1416379d8c5
15c767e843
hex7f419d95

2135006613 has 8 divisors (see below), whose sum is σ = 3162972800. Its totient is φ = 1423337724.

The previous prime is 2135006567. The next prime is 2135006623. The reversal of 2135006613 is 3166005312.

It is not a de Polignac number, because 2135006613 - 212 = 2135002517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 79074319 = 2135006613 / (2 + 1 + 3 + 5 + 0 + 0 + 6 + 6 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135006623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39537133 + ... + 39537186.

It is an arithmetic number, because the mean of its divisors is an integer number (395371600).

Almost surely, 22135006613 is an apocalyptic number.

It is an amenable number.

2135006613 is a deficient number, since it is larger than the sum of its proper divisors (1027966187).

2135006613 is an equidigital number, since it uses as much as digits as its factorization.

2135006613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79074328 (or 79074322 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 2135006613 is about 46206.1317684136. The cubic root of 2135006613 is about 1287.6556610488.

The spelling of 2135006613 in words is "two billion, one hundred thirty-five million, six thousand, six hundred thirteen".

Divisors: 1 3 9 27 79074319 237222957 711668871 2135006613