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149610013 = 7174312917
BaseRepresentation
bin10001110101011…
…01111000011101
3101102111222100121
420322231320131
5301300010023
622502354541
73464443540
oct1072557035
9342458317
10149610013
11774a6243
124212ba51
1324cc3547
1415c26857
15d203d5d
hex8eade1d

149610013 has 16 divisors (see below), whose sum is σ = 181522944. Its totient is φ = 120372480.

The previous prime is 149610011. The next prime is 149610023. The reversal of 149610013 is 310016941.

It is a cyclic number.

It is not a de Polignac number, because 149610013 - 21 = 149610011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149610013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149610011) 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, 49831 + ... + 52747.

It is an arithmetic number, because the mean of its divisors is an integer number (11345184).

Almost surely, 2149610013 is an apocalyptic number.

It is an amenable number.

149610013 is a deficient number, since it is larger than the sum of its proper divisors (31912931).

149610013 is a wasteful number, since it uses less digits than its factorization.

149610013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3372.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 149610013 is about 12231.5171994320. The cubic root of 149610013 is about 530.8684149227.

Adding to 149610013 its reverse (310016941), we get a palindrome (459626954).

The spelling of 149610013 in words is "one hundred forty-nine million, six hundred ten thousand, thirteen".

Divisors: 1 7 17 119 431 2917 3017 7327 20419 49589 51289 347123 1257227 8800589 21372859 149610013