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125130345 = 3522736749
BaseRepresentation
bin1110111010101…
…01011001101001
322201110021120020
413131111121221
5224013132340
620225551053
73046406334
oct735253151
9281407506
10125130345
11646a630a
1235aa5489
131cc02132
141289361b
15aeba9d0
hex7755669

125130345 has 16 divisors (see below), whose sum is σ = 201096000. Its totient is φ = 66440384.

The previous prime is 125130323. The next prime is 125130347. The reversal of 125130345 is 543031521.

It is a cyclic number.

It is not a de Polignac number, because 125130345 - 212 = 125126249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125130347) 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, 14970 + ... + 21779.

It is an arithmetic number, because the mean of its divisors is an integer number (12568500).

Almost surely, 2125130345 is an apocalyptic number.

125130345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125130345 is a deficient number, since it is larger than the sum of its proper divisors (75965655).

125130345 is a wasteful number, since it uses less digits than its factorization.

125130345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36984.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 125130345 is about 11186.1675742857. The cubic root of 125130345 is about 500.1737329601.

Adding to 125130345 its reverse (543031521), we get a palindrome (668161866).

The spelling of 125130345 in words is "one hundred twenty-five million, one hundred thirty thousand, three hundred forty-five".

Divisors: 1 3 5 15 227 681 1135 3405 36749 110247 183745 551235 8342023 25026069 41710115 125130345