Base | Representation |
---|---|
bin | 1000101001110101010… |
… | …1010010001110001101 |
3 | 112012201221222211101222 |
4 | 2022131111102032031 |
5 | 4413433113200022 |
6 | 152144121413125 |
7 | 13512100214522 |
oct | 2123525221615 |
9 | 465657884358 |
10 | 148668490637 |
11 | 5806053a497 |
12 | 2499093a1a5 |
13 | 110337614b4 |
14 | 72a49cb149 |
15 | 3d01c68242 |
hex | 229d55238d |
148668490637 has 8 divisors (see below), whose sum is σ = 158740067904. Its totient is φ = 138897557568.
The previous prime is 148668490573. The next prime is 148668490639. The reversal of 148668490637 is 736094866841.
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 148668490637 - 26 = 148668490573 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 148668490637.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (148668490639) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75160028 + ... + 75162005.
It is an arithmetic number, because the mean of its divisors is an integer number (19842508488).
Almost surely, 2148668490637 is an apocalyptic number.
It is an amenable number.
148668490637 is a deficient number, since it is larger than the sum of its proper divisors (10071577267).
148668490637 is a wasteful number, since it uses less digits than its factorization.
148668490637 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 150322099.
The product of its (nonzero) digits is 41803776, while the sum is 62.
The spelling of 148668490637 in words is "one hundred forty-eight billion, six hundred sixty-eight million, four hundred ninety thousand, six hundred thirty-seven".
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