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139906350743 = 1271378041057
BaseRepresentation
bin1000001001001100010…
…0010111111010010111
3111101010022111000010012
42002103010113322113
54243012011210433
6144134434350435
713052003234255
oct2022304277227
9441108430105
10139906350743
1154374540065
122314642b41b
1310268363033
146ab30115d5
15398c8c3848
hex2093117e97

139906350743 has 8 divisors (see below), whose sum is σ = 142037248512. Its totient is φ = 137791535616.

The previous prime is 139906350719. The next prime is 139906350781. The reversal of 139906350743 is 347053609931.

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 139906350743 - 28 = 139906350487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139906350691 and 139906350700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139906350043) 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, 4003130 + ... + 4037927.

It is an arithmetic number, because the mean of its divisors is an integer number (17754656064).

Almost surely, 2139906350743 is an apocalyptic number.

139906350743 is a deficient number, since it is larger than the sum of its proper divisors (2130897769).

139906350743 is a wasteful number, since it uses less digits than its factorization.

139906350743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8041321.

The product of its (nonzero) digits is 1837080, while the sum is 50.

The spelling of 139906350743 in words is "one hundred thirty-nine billion, nine hundred six million, three hundred fifty thousand, seven hundred forty-three".

Divisors: 1 127 137 17399 8041057 1021214239 1101624809 139906350743