Search a number
-
+
138147989544600 = 233527229162031421
BaseRepresentation
bin11111011010010100010101…
…110101111101111010011000
3200010010211002220211111011120
4133122110111311331322120
5121101404040310411400
61205452151003325240
741045601652123200
oct3732242565757230
9603124086744146
10138147989544600
1140022262650722
12135b200a220820
135c113b80604c9
1426185811b1400
1510e882d862ca0
hex7da515d7de98

138147989544600 has 288 divisors, whose sum is σ = 515357140813200. Its totient is φ = 30487831987200.

The previous prime is 138147989544557. The next prime is 138147989544611. The reversal of 138147989544600 is 6445989741831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 80163111 + ... + 81868310.

Almost surely, 2138147989544600 is an apocalyptic number.

138147989544600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138147989544600 is an abundant number, since it is smaller than the sum of its proper divisors (377209151268600).

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

138147989544600 is a wasteful number, since it uses less digits than its factorization.

138147989544600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162031483 (or 162031467 counting only the distinct ones).

The product of its (nonzero) digits is 209018880, while the sum is 69.

The spelling of 138147989544600 in words is "one hundred thirty-eight trillion, one hundred forty-seven billion, nine hundred eighty-nine million, five hundred forty-four thousand, six hundred".