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2138984524 = 22750771233
BaseRepresentation
bin111111101111110…
…0101000001001100
312112001212200011001
41333133211001030
513340040001044
6552125510044
7104002032325
oct17737450114
95461780131
102138984524
119a8445806
124b8412324
132811ba421
1416411744c
15c7bb82d4
hex7f7e504c

2138984524 has 12 divisors (see below), whose sum is σ = 3743774104. Its totient is φ = 1069334784.

The previous prime is 2138984513. The next prime is 2138984563. The reversal of 2138984524 is 4254898312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5589 + ... + 65644.

Almost surely, 22138984524 is an apocalyptic number.

It is an amenable number.

2138984524 is a deficient number, since it is larger than the sum of its proper divisors (1604789580).

2138984524 is a wasteful number, since it uses less digits than its factorization.

2138984524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78744 (or 78742 counting only the distinct ones).

The product of its digits is 552960, while the sum is 46.

The square root of 2138984524 is about 46249.1570085337. The cubic root of 2138984524 is about 1288.4548782015.

The spelling of 2138984524 in words is "two billion, one hundred thirty-eight million, nine hundred eighty-four thousand, five hundred twenty-four".

Divisors: 1 2 4 7507 15014 30028 71233 142466 284932 534746131 1069492262 2138984524