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2139094962 = 232929127921
BaseRepresentation
bin111111101111111…
…1111111110110010
312112002002021122100
41333133333332302
513340102014322
6552132121230
7104003002314
oct17737777662
95462067570
102139094962
119a8510784
124b8466216
13281228784
141641457b4
15c7bdadac
hex7f7fffb2

2139094962 has 24 divisors (see below), whose sum is σ = 4639730940. Its totient is φ = 712258560.

The previous prime is 2139094961. The next prime is 2139094963. The reversal of 2139094962 is 2694909312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2139094961) and next prime (2139094963).

It can be written as a sum of positive squares in 2 ways, for example, as 2012329881 + 126765081 = 44859^2 + 11259^2 .

It is not an unprimeable number, because it can be changed into a prime (2139094961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47239 + ... + 80682.

Almost surely, 22139094962 is an apocalyptic number.

2139094962 is an abundant number, since it is smaller than the sum of its proper divisors (2500635978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2139094962 is a wasteful number, since it uses less digits than its factorization.

2139094962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128858 (or 128855 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 2139094962 is about 46250.3509392091. The cubic root of 2139094962 is about 1288.4770525759.

The spelling of 2139094962 in words is "two billion, one hundred thirty-nine million, ninety-four thousand, nine hundred sixty-two".

Divisors: 1 2 3 6 9 18 929 1858 2787 5574 8361 16722 127921 255842 383763 767526 1151289 2302578 118838609 237677218 356515827 713031654 1069547481 2139094962