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138437600147 = 7113157996481
BaseRepresentation
bin1000000011101110000…
…1100010001110010011
3111020022221202202001222
42000323201202032103
54232010011201042
6143333010115255
713000420120460
oct2007341421623
9436287682058
10138437600147
1153790463aa0
12229b657bb2b
1310092c92642
1469b3d24667
15390399d2d2
hex203b862393

138437600147 has 16 divisors (see below), whose sum is σ = 178165192704. Its totient is φ = 104393664000.

The previous prime is 138437600143. The next prime is 138437600167. The reversal of 138437600147 is 741006734831.

It is a cyclic number.

It is not a de Polignac number, because 138437600147 - 22 = 138437600143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 138437600098 and 138437600107.

It is not an unprimeable number, because it can be changed into a prime (138437600143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28995854 + ... + 29000627.

It is an arithmetic number, because the mean of its divisors is an integer number (11135324544).

Almost surely, 2138437600147 is an apocalyptic number.

138437600147 is a deficient number, since it is larger than the sum of its proper divisors (39727592557).

138437600147 is a wasteful number, since it uses less digits than its factorization.

138437600147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57996530.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 138437600147 in words is "one hundred thirty-eight billion, four hundred thirty-seven million, six hundred thousand, one hundred forty-seven".

Divisors: 1 7 11 31 77 217 341 2387 57996481 405975367 637961291 1797890911 4465729037 12585236377 19776800021 138437600147