Base | Representation |
---|---|
bin | 100111010000010000… |
… | …101111001000000000 |
3 | 11000210102022112202000 |
4 | 213100100233020000 |
5 | 1142310040111140 |
6 | 31210214024000 |
7 | 3021325332330 |
oct | 472020571000 |
9 | 130712275660 |
10 | 42148753920 |
11 | 16969966729 |
12 | 8203648000 |
13 | 3c892b05a0 |
14 | 207bb090c0 |
15 | 116a47ea30 |
hex | 9d042f200 |
42148753920 has 640 divisors, whose sum is σ = 184293204480. Its totient is φ = 8891596800.
The previous prime is 42148753883. The next prime is 42148753963. The reversal of 42148753920 is 2935784124.
42148753920 is a `hidden beast` number, since 4 + 2 + 14 + 87 + 539 + 20 = 666.
It is a tau number, because it is divible by the number of its divisors (640).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6286570 + ... + 6293270.
It is an arithmetic number, because the mean of its divisors is an integer number (287958132).
Almost surely, 242148753920 is an apocalyptic number.
42148753920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 42148753920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92146602240).
42148753920 is an abundant number, since it is smaller than the sum of its proper divisors (142144450560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42148753920 is a wasteful number, since it uses less digits than its factorization.
42148753920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6753 (or 6731 counting only the distinct ones).
The product of its (nonzero) digits is 483840, while the sum is 45.
The spelling of 42148753920 in words is "forty-two billion, one hundred forty-eight million, seven hundred fifty-three thousand, nine hundred twenty".
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