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2139375319 = 171964110333
BaseRepresentation
bin111111110000100…
…0100011011010111
312112002121112012221
41333201010123113
513340140002234
6552142123211
7104005250554
oct17741043327
95462545187
102139375319
119a8692384
124b8580507
132812c6273
141641b9a2b
15c7c43eb4
hex7f8446d7

2139375319 has 16 divisors (see below), whose sum is σ = 2388394080. Its totient is φ = 1904394240.

The previous prime is 2139375289. The next prime is 2139375349. The reversal of 2139375319 is 9135739312.

It is an interprime number because it is at equal distance from previous prime (2139375289) and next prime (2139375349).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2139375319 is a prime.

It is a super-2 number, since 2×21393753192 = 9153853511092703522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139375349) 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, 201877 + ... + 212209.

It is an arithmetic number, because the mean of its divisors is an integer number (149274630).

Almost surely, 22139375319 is an apocalyptic number.

2139375319 is a deficient number, since it is larger than the sum of its proper divisors (249018761).

2139375319 is a wasteful number, since it uses less digits than its factorization.

2139375319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11010.

The product of its digits is 153090, while the sum is 43.

The square root of 2139375319 is about 46253.3817033955. The cubic root of 2139375319 is about 1288.5333408329.

The spelling of 2139375319 in words is "two billion, one hundred thirty-nine million, three hundred seventy-five thousand, three hundred nineteen".

Divisors: 1 17 19 323 641 10333 10897 12179 175661 196327 207043 3337559 6623453 112598701 125845607 2139375319