Base | Representation |
---|---|
bin | 1000101110100110000… |
… | …1111110111101011111 |
3 | 112100001001112010221121 |
4 | 2023221201332331133 |
5 | 4424042400404111 |
6 | 152515030111411 |
7 | 13555552342603 |
oct | 2135141767537 |
9 | 470031463847 |
10 | 149946888031 |
11 | 58657122366 |
12 | 25088aab567 |
13 | 111a8574765 |
14 | 73866c7503 |
15 | 3d790dc871 |
hex | 22e987ef5f |
149946888031 has 4 divisors (see below), whose sum is σ = 150731950464. Its totient is φ = 149161825600.
The previous prime is 149946888029. The next prime is 149946888037. The reversal of 149946888031 is 130888649941.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 149946888031 - 21 = 149946888029 is a prime.
It is a super-2 number, since 2×1499468880312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149946888037) 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, 392530930 + ... + 392531311.
It is an arithmetic number, because the mean of its divisors is an integer number (37682987616).
Almost surely, 2149946888031 is an apocalyptic number.
149946888031 is a deficient number, since it is larger than the sum of its proper divisors (785062433).
149946888031 is an equidigital number, since it uses as much as digits as its factorization.
149946888031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 785062432.
The product of its (nonzero) digits is 11943936, while the sum is 61.
The spelling of 149946888031 in words is "one hundred forty-nine billion, nine hundred forty-six million, eight hundred eighty-eight thousand, thirty-one".
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