Base | Representation |
---|---|
bin | 1011000000001100111… |
… | …10011111001101010000 |
3 | 1100010212001110102021021 |
4 | 11200012132133031100 |
5 | 22143234314334423 |
6 | 445403033405224 |
7 | 36212552041300 |
oct | 5400636371520 |
9 | 1303761412237 |
10 | 378065777488 |
11 | 136378303383 |
12 | 61331569814 |
13 | 29861309c59 |
14 | 14427065600 |
15 | 9c7ae5e95d |
hex | 580679f350 |
378065777488 has 60 divisors (see below), whose sum is σ = 852261553332. Its totient is φ = 161996459520.
The previous prime is 378065777483. The next prime is 378065777497. The reversal of 378065777488 is 884777560873.
It can be written as a sum of positive squares in 2 ways, for example, as 135241533504 + 242824243984 = 367752^2 + 492772^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (378065777483) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4202418 + ... + 4291438.
Almost surely, 2378065777488 is an apocalyptic number.
It is an amenable number.
378065777488 is an abundant number, since it is smaller than the sum of its proper divisors (474195775844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
378065777488 is a wasteful number, since it uses less digits than its factorization.
378065777488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94460 (or 94447 counting only the distinct ones).
The product of its (nonzero) digits is 442552320, while the sum is 70.
The spelling of 378065777488 in words is "three hundred seventy-eight billion, sixty-five million, seven hundred seventy-seven thousand, four hundred eighty-eight".
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