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2135206512 = 243217982837
BaseRepresentation
bin111111101000100…
…1010101001110000
312111210202201200200
41333101022221300
513333103102022
6551512515200
7103624645605
oct17721125160
95453681620
102135206512
119a62a528a
124b70abb00
1328049690a
141638126ac
15c76bdbac
hex7f44aa70

2135206512 has 60 divisors (see below), whose sum is σ = 6009068520. Its totient is φ = 707750784.

The previous prime is 2135206483. The next prime is 2135206523. The reversal of 2135206512 is 2156025312.

It is a happy number.

2135206512 is a `hidden beast` number, since 2 + 1 + 3 + 5 + 2 + 0 + 651 + 2 = 666.

2135206512 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×21352065122 = 9118213697774412288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15643 + ... + 67194.

It is an arithmetic number, because the mean of its divisors is an integer number (100151142).

Almost surely, 22135206512 is an apocalyptic number.

It is an amenable number.

2135206512 is an abundant number, since it is smaller than the sum of its proper divisors (3873862008).

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

2135206512 is a wasteful number, since it uses less digits than its factorization.

2135206512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83030 (or 83021 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 2135206512 is about 46208.2948397796. The cubic root of 2135206512 is about 1287.6958471923.

The spelling of 2135206512 in words is "two billion, one hundred thirty-five million, two hundred six thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 179 358 537 716 1074 1432 1611 2148 2864 3222 4296 6444 8592 12888 25776 82837 165674 248511 331348 497022 662696 745533 994044 1325392 1491066 1988088 2982132 3976176 5964264 11928528 14827823 29655646 44483469 59311292 88966938 118622584 133450407 177933876 237245168 266900814 355867752 533801628 711735504 1067603256 2135206512