Search a number
-
+
268045155408 = 2435584274071
BaseRepresentation
bin1111100110100010111…
…1000111110001010000
3221121212112020201201110
43321220233013301100
513342424024433113
6323045505533320
725236260141202
oct3715057076120
9847775221643
10268045155408
11a374a558628
1243b47944240
131c37976c744
14cd8b234772
156e8c141bc3
hex3e68bc7c50

268045155408 has 20 divisors (see below), whose sum is σ = 692449984928. Its totient is φ = 89348385120.

The previous prime is 268045155401. The next prime is 268045155461. The reversal of 268045155408 is 804551540862.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 5584274071 = 268045155408 / (2 + 6 + 8 + 0 + 4 + 5 + 1 + 5 + 5 + 4 + 0 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268045155401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2792136988 + ... + 2792137083.

Almost surely, 2268045155408 is an apocalyptic number.

It is an amenable number.

268045155408 is an abundant number, since it is smaller than the sum of its proper divisors (424404829520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268045155408 is a wasteful number, since it uses less digits than its factorization.

268045155408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5584274082 (or 5584274076 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 48.

The spelling of 268045155408 in words is "two hundred sixty-eight billion, forty-five million, one hundred fifty-five thousand, four hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 5584274071 11168548142 16752822213 22337096284 33505644426 44674192568 67011288852 89348385136 134022577704 268045155408