Base | Representation |
---|---|
bin | 1000101011010010000… |
… | …1110010001011001010 |
3 | 112020202002020211101020 |
4 | 2022310201302023022 |
5 | 4420232224040320 |
6 | 152250502333310 |
7 | 13524534030240 |
oct | 2126441621312 |
9 | 466662224336 |
10 | 149057643210 |
11 | 58240176593 |
12 | 24a7b12a236 |
13 | 110962755a8 |
14 | 730056a790 |
15 | 3d25ed7940 |
hex | 22b48722ca |
149057643210 has 128 divisors (see below), whose sum is σ = 414803165184. Its totient is φ = 33577286400.
The previous prime is 149057643197. The next prime is 149057643211. The reversal of 149057643210 is 12346750941.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is not an unprimeable number, because it can be changed into a prime (149057643211) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4008664 + ... + 4045676.
It is an arithmetic number, because the mean of its divisors is an integer number (3240649728).
Almost surely, 2149057643210 is an apocalyptic number.
149057643210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 149057643210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207401582592).
149057643210 is an abundant number, since it is smaller than the sum of its proper divisors (265745521974).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149057643210 is a wasteful number, since it uses less digits than its factorization.
149057643210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37308.
The product of its (nonzero) digits is 181440, while the sum is 42.
The spelling of 149057643210 in words is "one hundred forty-nine billion, fifty-seven million, six hundred forty-three thousand, two hundred ten".
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