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139310941690 = 2513931094169
BaseRepresentation
bin1000000110111110010…
…1000100010111111010
3111022120211010002110001
42001233211010113322
54240302100113230
6143555404543214
713031153315644
oct2015745042772
9438524102401
10139310941690
1154099438468
1222bbab51b0a
13101a1bb3c9b
146a57d01894
1539554b10ca
hex206f9445fa

139310941690 has 8 divisors (see below), whose sum is σ = 250759695060. Its totient is φ = 55724376672.

The previous prime is 139310941661. The next prime is 139310941699. The reversal of 139310941690 is 96149013931.

139310941690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 137864432601 + 1446509089 = 371301^2 + 38033^2 .

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

It is a super-2 number, since 2×1393109416902 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 139310941690.

It is not an unprimeable number, because it can be changed into a prime (139310941699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6965547075 + ... + 6965547094.

Almost surely, 2139310941690 is an apocalyptic number.

139310941690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139310941690 is a deficient number, since it is larger than the sum of its proper divisors (111448753370).

139310941690 is a wasteful number, since it uses less digits than its factorization.

139310941690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13931094176.

The product of its (nonzero) digits is 157464, while the sum is 46.

The spelling of 139310941690 in words is "one hundred thirty-nine billion, three hundred ten million, nine hundred forty-one thousand, six hundred ninety".

Divisors: 1 2 5 10 13931094169 27862188338 69655470845 139310941690