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129738599384 = 23193723068741
BaseRepresentation
bin111100011010100000…
…1011110101111011000
3110101212201001201101112
41320311001132233120
54111201040140014
6135333500235452
712242020620302
oct1706501365730
9411781051345
10129738599384
1150027069a69
122118923bb88
13c30799cc04
1463ca8a2972
153594e2b73e
hex1e3505ebd8

129738599384 has 32 divisors (see below), whose sum is σ = 262983658800. Its totient is φ = 59794174080.

The previous prime is 129738599377. The next prime is 129738599437. The reversal of 129738599384 is 483995837921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11528747 + ... + 11539994.

Almost surely, 2129738599384 is an apocalyptic number.

It is an amenable number.

129738599384 is an abundant number, since it is smaller than the sum of its proper divisors (133245059416).

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

129738599384 is a wasteful number, since it uses less digits than its factorization.

129738599384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23068803 (or 23068799 counting only the distinct ones).

The product of its digits is 117573120, while the sum is 68.

The spelling of 129738599384 in words is "one hundred twenty-nine billion, seven hundred thirty-eight million, five hundred ninety-nine thousand, three hundred eighty-four".

Divisors: 1 2 4 8 19 37 38 74 76 148 152 296 703 1406 2812 5624 23068741 46137482 92274964 184549928 438306079 853543417 876612158 1707086834 1753224316 3414173668 3506448632 6828347336 16217324923 32434649846 64869299692 129738599384