Base | Representation |
---|---|
bin | 101011000000000000000000… |
… | …0000000000000000000000000 |
3 | 1211121012121220101210120210212 |
4 | 1112000000000000000000000 |
5 | 344033423113442024234 |
6 | 3420233214304013252 |
7 | 142445234361311552 |
oct | 12600000000000000 |
9 | 1747177811716725 |
10 | 378231999954944 |
11 | aa575321539833 |
12 | 36507a8b601228 |
13 | 13308180846905 |
14 | 695875290d4d2 |
15 | 2dada37c1c5ce |
hex | 1580000000000 |
378231999954944 has 88 divisors (see below), whose sum is σ = 774056185954260. Its totient is φ = 184717953466368.
The previous prime is 378231999954883. The next prime is 378231999954989. The reversal of 378231999954944 is 449459999132873.
It is an ABA number since it can be written as A⋅BA, here for A=43, B=2.
It is a Harshad number since it is a multiple of its sum of digits (86).
Its product of digits (19046845440) is a multiple of the sum of its prime divisors (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8796093022187 + ... + 8796093022229.
Almost surely, 2378231999954944 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 378231999954944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387028092977130).
378231999954944 is an abundant number, since it is smaller than the sum of its proper divisors (395824185999316).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
378231999954944 is an frugal number, since it uses more digits than its factorization.
378231999954944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129 (or 45 counting only the distinct ones).
The product of its digits is 19046845440, while the sum is 86.
378231999954944 divided by its sum of digits (86) gives a 42-nd power (4398046511104 = 242).
The spelling of 378231999954944 in words is "three hundred seventy-eight trillion, two hundred thirty-one billion, nine hundred ninety-nine million, nine hundred fifty-four thousand, nine hundred forty-four".
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