Base | Representation |
---|---|
bin | 101011001111111110110001… |
… | …0001001010001110100101110 |
3 | 1211212222121010112122100002210 |
4 | 1112133331202021101310232 |
5 | 344330414302424431140 |
6 | 3425034214400231250 |
7 | 143063020525651320 |
oct | 12637754211216456 |
9 | 1755877115570083 |
10 | 380428374842670 |
11 | 100241849940260 |
12 | 3680169900b526 |
13 | 1343731b3669ab |
14 | 69d2b8dc35610 |
15 | 2deac35c9bd80 |
hex | 159ff62251d2e |
380428374842670 has 128 divisors (see below), whose sum is σ = 1138345714851840. Its totient is φ = 79048318078080.
The previous prime is 380428374842657. The next prime is 380428374842687. The reversal of 380428374842670 is 76248473824083.
It is a Harshad number since it is a multiple of its sum of digits (66).
It is a Curzon number.
It is a congruent number.
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, 104899741 + ... + 108465719.
It is an arithmetic number, because the mean of its divisors is an integer number (8893325897280).
Almost surely, 2380428374842670 is an apocalyptic number.
380428374842670 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
380428374842670 is an abundant number, since it is smaller than the sum of its proper divisors (757917340009170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380428374842670 is a wasteful number, since it uses less digits than its factorization.
380428374842670 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3612190.
The product of its (nonzero) digits is 346816512, while the sum is 66.
The spelling of 380428374842670 in words is "three hundred eighty trillion, four hundred twenty-eight billion, three hundred seventy-four million, eight hundred forty-two thousand, six hundred seventy".
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