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149018107 = 7173074079
BaseRepresentation
bin10001110000111…
…01010111111011
3101101101220102011
420320131113323
5301122034412
622441550351
73456430060
oct1070352773
9341356364
10149018107
1177131567
1241aa53b7
1324b46cc4
1415b10c67
15d1387a7
hex8e1d5fb

149018107 has 16 divisors (see below), whose sum is σ = 180956160. Its totient is φ = 119795328.

The previous prime is 149018101. The next prime is 149018113. The reversal of 149018107 is 701810941.

It is an interprime number because it is at equal distance from previous prime (149018101) and next prime (149018113).

It is not a de Polignac number, because 149018107 - 23 = 149018099 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (149018101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34494 + ... + 38572.

It is an arithmetic number, because the mean of its divisors is an integer number (11309760).

Almost surely, 2149018107 is an apocalyptic number.

149018107 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

149018107 is a deficient number, since it is larger than the sum of its proper divisors (31938053).

149018107 is a wasteful number, since it uses less digits than its factorization.

149018107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4410.

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 149018107 is about 12207.2972848211. The cubic root of 149018107 is about 530.1673934290.

The spelling of 149018107 in words is "one hundred forty-nine million, eighteen thousand, one hundred seven".

Divisors: 1 7 17 119 307 2149 4079 5219 28553 36533 69343 485401 1252253 8765771 21288301 149018107