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2129935717 = 71323405887
BaseRepresentation
bin111111011110100…
…0011110101100101
312111102211221112001
41332331003311211
513330230420332
6551203525301
7103532104060
oct17675036545
95442757461
102129935717
119a3325258
124b5389831
1327c36c7c0
14162c3d8d7
15c6ecc0e7
hex7ef43d65

2129935717 has 8 divisors (see below), whose sum is σ = 2621459456. Its totient is φ = 1685223792.

The previous prime is 2129935699. The next prime is 2129935721. The reversal of 2129935717 is 7175399212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2129935717 - 211 = 2129933669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2129935417) 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, 11702853 + ... + 11703034.

It is an arithmetic number, because the mean of its divisors is an integer number (327682432).

Almost surely, 22129935717 is an apocalyptic number.

It is an amenable number.

2129935717 is a deficient number, since it is larger than the sum of its proper divisors (491523739).

2129935717 is a wasteful number, since it uses less digits than its factorization.

2129935717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23405907.

The product of its digits is 238140, while the sum is 46.

The square root of 2129935717 is about 46151.2266034176. The cubic root of 2129935717 is about 1286.6354074917.

The spelling of 2129935717 in words is "two billion, one hundred twenty-nine million, nine hundred thirty-five thousand, seven hundred seventeen".

Divisors: 1 7 13 91 23405887 163841209 304276531 2129935717