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139183044247 = 1321391500509
BaseRepresentation
bin1000000110011111110…
…1001011011010010111
3111022020220110020010201
42001213331023122113
54240021324403442
6143534555401331
713025041233052
oct2014775133227
9438226406121
10139183044247
11540332221a5
1222b84153247
1310181553520
146a44d2ba99
15394914a7b7
hex2067f4b697

139183044247 has 8 divisors (see below), whose sum is σ = 149896738880. Its totient is φ = 128470393440.

The previous prime is 139183044197. The next prime is 139183044271. The reversal of 139183044247 is 742440381931.

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

It is a cyclic number.

It is not a de Polignac number, because 139183044247 - 211 = 139183042199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139183044197 and 139183044206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139183041247) 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, 27829 + ... + 528337.

It is an arithmetic number, because the mean of its divisors is an integer number (18737092360).

Almost surely, 2139183044247 is an apocalyptic number.

139183044247 is a deficient number, since it is larger than the sum of its proper divisors (10713694633).

139183044247 is a wasteful number, since it uses less digits than its factorization.

139183044247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521913.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 139183044247 in words is "one hundred thirty-nine billion, one hundred eighty-three million, forty-four thousand, two hundred forty-seven".

Divisors: 1 13 21391 278083 500509 6506617 10706388019 139183044247