Base | Representation |
---|---|
bin | 1011100101101110000… |
… | …11111001100101110000 |
3 | 1102001211211001201221110 |
4 | 11302313003321211300 |
5 | 23011012302302310 |
6 | 502533452353320 |
7 | 40524654140553 |
oct | 5626703714560 |
9 | 1361754051843 |
10 | 398208244080 |
11 | 143974199689 |
12 | 65213175840 |
13 | 2b72137683a |
14 | 153b823469a |
15 | a55946cd20 |
hex | 5cb70f9970 |
398208244080 has 40 divisors (see below), whose sum is σ = 1234445557392. Its totient is φ = 106188865024.
The previous prime is 398208244073. The next prime is 398208244111. The reversal of 398208244080 is 80442802893.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 829600269 + ... + 829600748.
Almost surely, 2398208244080 is an apocalyptic number.
398208244080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
398208244080 is an abundant number, since it is smaller than the sum of its proper divisors (836237313312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
398208244080 is a wasteful number, since it uses less digits than its factorization.
398208244080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1659201033 (or 1659201027 counting only the distinct ones).
The product of its (nonzero) digits is 884736, while the sum is 48.
The spelling of 398208244080 in words is "three hundred ninety-eight billion, two hundred eight million, two hundred forty-four thousand, eighty".
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