Base | Representation |
---|---|
bin | 1000101110011110101… |
… | …0000101011001111111 |
3 | 112022221212101021212221 |
4 | 2023213222011121333 |
5 | 4424011324112101 |
6 | 152511544310211 |
7 | 13555021234435 |
oct | 2134752053177 |
9 | 468855337787 |
10 | 149915457151 |
11 | 58640404929 |
12 | 2507a472367 |
13 | 111a1bbb3c5 |
14 | 7382464d55 |
15 | 3d7647eaa1 |
hex | 22e7a8567f |
149915457151 has 4 divisors (see below), whose sum is σ = 158734013472. Its totient is φ = 141096900832.
The previous prime is 149915457149. The next prime is 149915457233. The reversal of 149915457151 is 151754519941.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 149915457151 - 21 = 149915457149 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 (149915457121) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4409278135 + ... + 4409278168.
It is an arithmetic number, because the mean of its divisors is an integer number (39683503368).
Almost surely, 2149915457151 is an apocalyptic number.
149915457151 is a deficient number, since it is larger than the sum of its proper divisors (8818556321).
149915457151 is an equidigital number, since it uses as much as digits as its factorization.
149915457151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8818556320.
The product of its digits is 1134000, while the sum is 52.
The spelling of 149915457151 in words is "one hundred forty-nine billion, nine hundred fifteen million, four hundred fifty-seven thousand, one hundred fifty-one".
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