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2138799396 = 2231321134923
BaseRepresentation
bin111111101111011…
…0111110100100100
312112001112021012110
41333132313310210
513340013040041
6552121521020
7104000331516
oct17736676444
95461467173
102138799396
119a8329708
124b8343170
13281154096
141640a9bb6
15c7b7d516
hex7f7b7d24

2138799396 has 24 divisors (see below), whose sum is σ = 4994346784. Its totient is φ = 712388160.

The previous prime is 2138799379. The next prime is 2138799401. The reversal of 2138799396 is 6939978312.

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, 51610 + ... + 83313.

Almost surely, 22138799396 is an apocalyptic number.

It is an amenable number.

2138799396 is an abundant number, since it is smaller than the sum of its proper divisors (2855547388).

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

2138799396 is a wasteful number, since it uses less digits than its factorization.

2138799396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136251 (or 136249 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 57.

The square root of 2138799396 is about 46247.1555449630. The cubic root of 2138799396 is about 1288.4177054288.

The spelling of 2138799396 in words is "two billion, one hundred thirty-eight million, seven hundred ninety-nine thousand, three hundred ninety-six".

Divisors: 1 2 3 4 6 12 1321 2642 3963 5284 7926 15852 134923 269846 404769 539692 809538 1619076 178233283 356466566 534699849 712933132 1069399698 2138799396