Search a number
-
+
381567842368 = 265961997537
BaseRepresentation
bin1011000110101110011…
…01110011100001000000
31100110220010012202010221
411203113031303201000
522222422331423433
6451142335032424
736365415101056
oct5432715634100
91313803182127
10381567842368
11137905110579
1261b4a36b714
1329c9ba1a3ab
141467a2001d6
159dd362872d
hex58d7373840

381567842368 has 14 divisors (see below), whose sum is σ = 757173687326. Its totient is φ = 190783921152.

The previous prime is 381567842339. The next prime is 381567842459. The reversal of 381567842368 is 863248765183.

It can be written as a sum of positive squares in only one way, i.e., 223456634944 + 158111207424 = 472712^2 + 397632^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2980998705 + ... + 2980998832.

It is an arithmetic number, because the mean of its divisors is an integer number (54083834809).

Almost surely, 2381567842368 is an apocalyptic number.

It is an amenable number.

381567842368 is a deficient number, since it is larger than the sum of its proper divisors (375605844958).

381567842368 is an equidigital number, since it uses as much as digits as its factorization.

381567842368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5961997549 (or 5961997539 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 61.

The spelling of 381567842368 in words is "three hundred eighty-one billion, five hundred sixty-seven million, eight hundred forty-two thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 16 32 64 5961997537 11923995074 23847990148 47695980296 95391960592 190783921184 381567842368