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2134985670 = 232523722063
BaseRepresentation
bin111111101000001…
…0100101111000110
312111210100111202100
41333100110233012
513333024020140
6551504052530
7103623036006
oct17720245706
95453314670
102134985670
119a6164374
124b7004146
1328041a23c
14163796006
15c7678530
hex7f414bc6

2134985670 has 24 divisors (see below), whose sum is σ = 5550962976. Its totient is φ = 569329488.

The previous prime is 2134985639. The next prime is 2134985683. The reversal of 2134985670 is 765894312.

2134985670 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×21349856702 = 9116327622210697800, which contains 22 as substring.

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

2134985670 is strictly pandigital in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11860942 + ... + 11861121.

It is an arithmetic number, because the mean of its divisors is an integer number (231290124).

It is a 1-persistent number, because it is pandigital, but 2⋅2134985670 = 4269971340 is not.

Almost surely, 22134985670 is an apocalyptic number.

2134985670 is an abundant number, since it is smaller than the sum of its proper divisors (3415977306).

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

2134985670 is a wasteful number, since it uses less digits than its factorization.

2134985670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23722076 (or 23722073 counting only the distinct ones).

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

The square root of 2134985670 is about 46205.9051420920. The cubic root of 2134985670 is about 1287.6514506855.

The spelling of 2134985670 in words is "two billion, one hundred thirty-four million, nine hundred eighty-five thousand, six hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 23722063 47444126 71166189 118610315 142332378 213498567 237220630 355830945 426997134 711661890 1067492835 2134985670