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139829236903 = 643217463821
BaseRepresentation
bin1000001000111001111…
…0001101010010100111
3111100220221101012211001
42002032132031102213
54242332241040103
6144123041454131
713050045621466
oct2021636152247
9440827335731
10139829236903
1154334a60314
1223124641347
13102553a3545
146aa6a9a9dd
153985c4001d
hex208e78d4a7

139829236903 has 4 divisors (see below), whose sum is σ = 140046701368. Its totient is φ = 139611772440.

The previous prime is 139829236901. The next prime is 139829236969. The reversal of 139829236903 is 309632928931.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 309632928931 = 641483046691.

It is a cyclic number.

It is not a de Polignac number, because 139829236903 - 21 = 139829236901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139829236901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108731268 + ... + 108732553.

It is an arithmetic number, because the mean of its divisors is an integer number (35011675342).

Almost surely, 2139829236903 is an apocalyptic number.

139829236903 is a deficient number, since it is larger than the sum of its proper divisors (217464465).

139829236903 is an equidigital number, since it uses as much as digits as its factorization.

139829236903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217464464.

The product of its (nonzero) digits is 3779136, while the sum is 55.

The spelling of 139829236903 in words is "one hundred thirty-nine billion, eight hundred twenty-nine million, two hundred thirty-six thousand, nine hundred three".

Divisors: 1 643 217463821 139829236903