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139355788601 = 149935273749
BaseRepresentation
bin1000000111001001000…
…0001001010100111001
3111022200221111112211202
42001302100021110321
54240400040213401
6144004050103545
713032236441651
oct2016220112471
9438627445752
10139355788601
1154111789627
1223011b7abb5
13101ab286a13
146a5dc57361
1539593be06b
hex2072409539

139355788601 has 4 divisors (see below), whose sum is σ = 140291062500. Its totient is φ = 138420514704.

The previous prime is 139355788597. The next prime is 139355788603. The reversal of 139355788601 is 106887553931.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56823117376 + 82532671225 = 238376^2 + 287285^2 .

It is a cyclic number.

It is not a de Polignac number, because 139355788601 - 22 = 139355788597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139355788603) 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, 467636726 + ... + 467637023.

It is an arithmetic number, because the mean of its divisors is an integer number (35072765625).

Almost surely, 2139355788601 is an apocalyptic number.

It is an amenable number.

139355788601 is a deficient number, since it is larger than the sum of its proper divisors (935273899).

139355788601 is an equidigital number, since it uses as much as digits as its factorization.

139355788601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935273898.

The product of its (nonzero) digits is 5443200, while the sum is 56.

The spelling of 139355788601 in words is "one hundred thirty-nine billion, three hundred fifty-five million, seven hundred eighty-eight thousand, six hundred one".

Divisors: 1 149 935273749 139355788601