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139383833892 = 223131648113681
BaseRepresentation
bin1000000111001111101…
…1001000010100100100
3111022202220021101202020
42001303323020110210
54240424230141032
6144010531143140
713033030016442
oct2016373102444
9438686241666
10139383833892
11541265a4456
122301b444ab0
13101b4026074
146a63877b92
15395baadb2c
hex2073ec8524

139383833892 has 48 divisors (see below), whose sum is σ = 327786131904. Its totient is φ = 46096128000.

The previous prime is 139383833891. The next prime is 139383833903. The reversal of 139383833892 is 298338383931.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (139383833891) 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, 10181292 + ... + 10194972.

It is an arithmetic number, because the mean of its divisors is an integer number (6828877748).

Almost surely, 2139383833892 is an apocalyptic number.

139383833892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139383833892 is an abundant number, since it is smaller than the sum of its proper divisors (188402298012).

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

139383833892 is a wasteful number, since it uses less digits than its factorization.

139383833892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20300 (or 20298 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 60.

The spelling of 139383833892 in words is "one hundred thirty-nine billion, three hundred eighty-three million, eight hundred thirty-three thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 12 131 262 393 524 786 1572 6481 12962 13681 19443 25924 27362 38886 41043 54724 77772 82086 164172 849011 1698022 1792211 2547033 3396044 3584422 5094066 5376633 7168844 10188132 10753266 21506532 88666561 177333122 265999683 354666244 531999366 1063998732 11615319491 23230638982 34845958473 46461277964 69691916946 139383833892