Base | Representation |
---|---|
bin | 1011100110010110001… |
… | …1001101011110000000 |
3 | 201001100121211212101110 |
4 | 2321211203031132000 |
5 | 11231102142142030 |
6 | 231313331203320 |
7 | 20253102650646 |
oct | 2714543153600 |
9 | 631317755343 |
10 | 199272224640 |
11 | 77568a80865 |
12 | 32753a46540 |
13 | 15a39606578 |
14 | 9905597196 |
15 | 52b46171b0 |
hex | 2e658cd780 |
199272224640 has 128 divisors (see below), whose sum is σ = 642317623200. Its totient is φ = 52542144512.
The previous prime is 199272224603. The next prime is 199272224659. The reversal of 199272224640 is 46422272991.
It is a tau number, because it is divible by the number of its divisors (128).
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a self number, because there is not a number n which added to its sum of digits gives 199272224640.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412197 + ... + 753956.
Almost surely, 2199272224640 is an apocalyptic number.
199272224640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
199272224640 is an abundant number, since it is smaller than the sum of its proper divisors (443045398560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
199272224640 is a wasteful number, since it uses less digits than its factorization.
199272224640 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1166264 (or 1166252 counting only the distinct ones).
The product of its (nonzero) digits is 870912, while the sum is 48.
The spelling of 199272224640 in words is "one hundred ninety-nine billion, two hundred seventy-two million, two hundred twenty-four thousand, six hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •