Base | Representation |
---|---|
bin | 1000101100100000110… |
… | …1111111011101101111 |
3 | 112021121002212122110002 |
4 | 2023020031333131233 |
5 | 4421421311432322 |
6 | 152343343134515 |
7 | 13535655020015 |
oct | 2131015773557 |
9 | 467532778402 |
10 | 149387999087 |
11 | 5839a6a3878 |
12 | 24b518a443b |
13 | 11119841342 |
14 | 73323a28b5 |
15 | 3d44ee0c92 |
hex | 22c837f76f |
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".
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