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2125208460 = 223535420141
BaseRepresentation
bin111111010101100…
…0001101110001100
312111002221202221110
41332223001232030
513323023132320
6550514332020
7103443655014
oct17653015614
95432852843
102125208460
119a0696631
124b388a010
1327b3a5bcb
1416236cc44
15c68965e0
hex7eac1b8c

2125208460 has 24 divisors (see below), whose sum is σ = 5950583856. Its totient is φ = 566722240.

The previous prime is 2125208453. The next prime is 2125208513. The reversal of 2125208460 is 648025212.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 7 ways as a sum of consecutive naturals, for example, 17710011 + ... + 17710130.

It is an arithmetic number, because the mean of its divisors is an integer number (247940994).

Almost surely, 22125208460 is an apocalyptic number.

2125208460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2125208460 is an abundant number, since it is smaller than the sum of its proper divisors (3825375396).

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

2125208460 is a wasteful number, since it uses less digits than its factorization.

2125208460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35420153 (or 35420151 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 2125208460 is about 46099.9832971770. The cubic root of 2125208460 is about 1285.6828339043.

The spelling of 2125208460 in words is "two billion, one hundred twenty-five million, two hundred eight thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 35420141 70840282 106260423 141680564 177100705 212520846 354201410 425041692 531302115 708402820 1062604230 2125208460