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3125212854 = 23520868809
BaseRepresentation
bin1011101001000110…
…1111011010110110
322001210122021002020
42322101233122312
522400023302404
61234040054010
7140305604511
oct27221573266
98053567066
103125212854
111364112745
12732764306
133aa61509a
142190bbd78
15134578ed9
hexba46f6b6

3125212854 has 8 divisors (see below), whose sum is σ = 6250425720. Its totient is φ = 1041737616.

The previous prime is 3125212841. The next prime is 3125212859. The reversal of 3125212854 is 4582125213.

It is a sphenic number, since it is the product of 3 distinct primes.

3125212854 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125212859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260434399 + ... + 260434410.

It is an arithmetic number, because the mean of its divisors is an integer number (781303215).

Almost surely, 23125212854 is an apocalyptic number.

3125212854 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3125212854 is a wasteful number, since it uses less digits than its factorization.

3125212854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520868814.

The product of its digits is 19200, while the sum is 33.

The square root of 3125212854 is about 55903.6032291301. The cubic root of 3125212854 is about 1462.0420624260.

The spelling of 3125212854 in words is "three billion, one hundred twenty-five million, two hundred twelve thousand, eight hundred fifty-four".

Divisors: 1 2 3 6 520868809 1041737618 1562606427 3125212854