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3125944429 = 19676193967
BaseRepresentation
bin1011101001010010…
…0010000001101101
322001212000102121121
42322110202001231
522400220210204
61234103500541
7140315042416
oct27224420155
98055012547
103125944429
111364572353
12732a57751
133aa81007a
1421922c80d
15134670b54
hexba52206d

3125944429 has 16 divisors (see below), whose sum is σ = 3345817600. Its totient is φ = 2911773744.

The previous prime is 3125944417. The next prime is 3125944433. The reversal of 3125944429 is 9244495213.

It is a cyclic number.

It is not a de Polignac number, because 3125944429 - 25 = 3125944397 is a prime.

It is a super-2 number, since 2×31259444292 = 19543057146392272082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125944499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 786004 + ... + 789970.

It is an arithmetic number, because the mean of its divisors is an integer number (209113600).

Almost surely, 23125944429 is an apocalyptic number.

It is an amenable number.

3125944429 is a deficient number, since it is larger than the sum of its proper divisors (219873171).

3125944429 is a wasteful number, since it uses less digits than its factorization.

3125944429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4672.

The product of its digits is 311040, while the sum is 43.

The square root of 3125944429 is about 55910.1460291422. The cubic root of 3125944429 is about 1462.1561357198.

The spelling of 3125944429 in words is "three billion, one hundred twenty-five million, nine hundred forty-four thousand, four hundred twenty-nine".

Divisors: 1 19 67 619 1273 3967 11761 41473 75373 265789 787987 2455573 5049991 46655887 164523391 3125944429