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139055748590 = 251119101658751
BaseRepresentation
bin1000000110000001011…
…1100101010111101110
3111021221000220221022202
42001200113211113232
54234241232423330
6143514211141502
713021634234513
oct2014027452756
9437830827282
10139055748590
1153a78388080
1222b495a4892
1310161073955
146a3207330a
15393cda3445
hex20605e55ee

139055748590 has 64 divisors (see below), whose sum is σ = 290272481280. Its totient is φ = 47430000000.

The previous prime is 139055748569. The next prime is 139055748593. The reversal of 139055748590 is 95847550931.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139055748593) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118286 + ... + 540465.

It is an arithmetic number, because the mean of its divisors is an integer number (4535507520).

Almost surely, 2139055748590 is an apocalyptic number.

139055748590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139055748590 is an abundant number, since it is smaller than the sum of its proper divisors (151216732690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139055748590 is a wasteful number, since it uses less digits than its factorization.

139055748590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658889.

The product of its (nonzero) digits is 6804000, while the sum is 56.

The spelling of 139055748590 in words is "one hundred thirty-nine billion, fifty-five million, seven hundred forty-eight thousand, five hundred ninety".

Divisors: 1 2 5 10 11 19 22 38 55 95 101 110 190 202 209 418 505 1010 1045 1111 1919 2090 2222 3838 5555 9595 11110 19190 21109 42218 105545 211090 658751 1317502 3293755 6587510 7246261 12516269 14492522 25032538 36231305 62581345 66533851 72462610 125162690 133067702 137678959 275357918 332669255 665338510 688394795 731872361 1264143169 1376789590 1463744722 2528286338 3659361805 6320715845 7318723610 12641431690 13905574859 27811149718 69527874295 139055748590