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2134865790 = 232532577283
BaseRepresentation
bin111111100111111…
…0111011101111110
312111210010102022100
41333033313131332
513333011201130
6551501325530
7103622026341
oct17717673576
95453112270
102134865790
119a60922a2
124b6b668a6
132803a77c5
14163764458
15c7652c60
hex7f3f777e

2134865790 has 48 divisors (see below), whose sum is σ = 5553117648. Its totient is φ = 569044608.

The previous prime is 2134865771. The next prime is 2134865807. The reversal of 2134865790 is 975684312.

2134865790 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

2134865790 is strictly pandigital in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 289489 + ... + 296771.

It is an arithmetic number, because the mean of its divisors is an integer number (115689951).

It is a 2-persistent number, because it is pandigital, and so is 2⋅2134865790 = 4269731580, but 3⋅2134865790 = 6404597370 is not.

Almost surely, 22134865790 is an apocalyptic number.

2134865790 is an abundant number, since it is smaller than the sum of its proper divisors (3418251858).

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

2134865790 is a wasteful number, since it uses less digits than its factorization.

2134865790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10553 (or 10550 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 2134865790 is about 46204.6078870928. The cubic root of 2134865790 is about 1287.6273495799.

The spelling of 2134865790 in words is "two billion, one hundred thirty-four million, eight hundred sixty-five thousand, seven hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 3257 6514 7283 9771 14566 16285 19542 21849 29313 32570 36415 43698 48855 58626 65547 72830 97710 109245 131094 146565 218490 293130 327735 655470 23720731 47441462 71162193 118603655 142324386 213486579 237207310 355810965 426973158 711621930 1067432895 2134865790