Base | Representation |
---|---|
bin | 1011000000000101010… |
… | …00011100110111011011 |
3 | 1100010200120002122000000 |
4 | 11200002220130313123 |
5 | 22143121311433400 |
6 | 445352411144043 |
7 | 36211136604330 |
oct | 5400250346733 |
9 | 1303616078000 |
10 | 378001280475 |
11 | 136344960865 |
12 | 61313a45023 |
13 | 29850b47140 |
14 | 1441c676987 |
15 | 9c7546e600 |
hex | 5802a1cddb |
378001280475 has 336 divisors, whose sum is σ = 873023414592. Its totient is φ = 158018273280.
The previous prime is 378001280473. The next prime is 378001280513. The reversal of 378001280475 is 574082100873.
It is not a de Polignac number, because 378001280475 - 21 = 378001280473 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 378001280475.
It is not an unprimeable number, because it can be changed into a prime (378001280473) by changing a digit.
It is a polite number, since it can be written in 335 ways as a sum of consecutive naturals, for example, 187406667 + ... + 187408683.
It is an arithmetic number, because the mean of its divisors is an integer number (2598283972).
Almost surely, 2378001280475 is an apocalyptic number.
378001280475 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
378001280475 is an abundant number, since it is smaller than the sum of its proper divisors (495022134117).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
378001280475 is a wasteful number, since it uses less digits than its factorization.
378001280475 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2178 (or 2158 counting only the distinct ones).
The product of its (nonzero) digits is 376320, while the sum is 45.
The spelling of 378001280475 in words is "three hundred seventy-eight billion, one million, two hundred eighty thousand, four hundred seventy-five".
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