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3125445213 = 31194710461
BaseRepresentation
bin1011101001001010…
…1000001001011101
322001211002001211010
42322102220021131
522400103221323
61234045045433
7140310563112
oct27222501135
98054061733
103125445213
111364261280
12732856879
133aa696a87
1421913c909
151345c2c93
hexba4a825d

3125445213 has 8 divisors (see below), whose sum is σ = 4546102176. Its totient is φ = 1894209200.

The previous prime is 3125445199. The next prime is 3125445221.

3125445213 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 3125445213 - 217 = 3125314141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125445233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47355198 + ... + 47355263.

It is an arithmetic number, because the mean of its divisors is an integer number (568262772).

Almost surely, 23125445213 is an apocalyptic number.

3125445213 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3125445213 is a deficient number, since it is larger than the sum of its proper divisors (1420656963).

3125445213 is a wasteful number, since it uses less digits than its factorization.

3125445213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94710475.

The product of its digits is 14400, while the sum is 30.

The square root of 3125445213 is about 55905.6814018039. The cubic root of 3125445213 is about 1462.0782957140.

It can be divided in two parts, 31254 and 45213, that added together give a palindrome (76467).

The spelling of 3125445213 in words is "three billion, one hundred twenty-five million, four hundred forty-five thousand, two hundred thirteen".

Divisors: 1 3 11 33 94710461 284131383 1041815071 3125445213