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149387999087 = 1373732923387
BaseRepresentation
bin1000101100100000110…
…1111111011101101111
3112021121002212122110002
42023020031333131233
54421421311432322
6152343343134515
713535655020015
oct2131015773557
9467532778402
10149387999087
115839a6a3878
1224b518a443b
1311119841342
1473323a28b5
153d44ee0c92
hex22c837f76f

149387999087 has 8 divisors (see below), whose sum is σ = 150881901456. Its totient is φ = 147899944512.

The previous prime is 149387999081. The next prime is 149387999183. The reversal of 149387999087 is 780999783941.

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 149387999087 - 210 = 149387998063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149387999081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1410593 + ... + 1512794.

It is an arithmetic number, because the mean of its divisors is an integer number (18860237682).

Almost surely, 2149387999087 is an apocalyptic number.

149387999087 is a deficient number, since it is larger than the sum of its proper divisors (1493902369).

149387999087 is a wasteful number, since it uses less digits than its factorization.

149387999087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923897.

The product of its (nonzero) digits is 246903552, while the sum is 74.

The spelling of 149387999087 in words is "one hundred forty-nine billion, three hundred eighty-seven million, nine hundred ninety-nine thousand, eighty-seven".

Divisors: 1 137 373 51101 2923387 400504019 1090423351 149387999087