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201265413 = 3436125577
BaseRepresentation
bin10111111111100…
…01000100000101
3112000201100020120
423333301010011
5403010443123
631545452153
74662504426
oct1377610405
9460640216
10201265413
11a3677758
12574a1059
133290b27b
141ca3164d
1512a092e3
hexbff1105

201265413 has 16 divisors (see below), whose sum is σ = 279107136. Its totient is φ = 128903040.

The previous prime is 201265411. The next prime is 201265417. The reversal of 201265413 is 314562102.

It is not a de Polignac number, because 201265413 - 21 = 201265411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201265411) 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, 4920 + ... + 20657.

It is an arithmetic number, because the mean of its divisors is an integer number (17444196).

Almost surely, 2201265413 is an apocalyptic number.

It is an amenable number.

201265413 is a deficient number, since it is larger than the sum of its proper divisors (77841723).

201265413 is a wasteful number, since it uses less digits than its factorization.

201265413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25684.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 201265413 is about 14186.8041855803. The cubic root of 201265413 is about 586.0343189101.

The spelling of 201265413 in words is "two hundred one million, two hundred sixty-five thousand, four hundred thirteen".

Divisors: 1 3 43 61 129 183 2623 7869 25577 76731 1099811 1560197 3299433 4680591 67088471 201265413