Search a number
-
+
68501733371 = 79867110549
BaseRepresentation
bin111111110011000001…
…010111111111111011
320112211000002121102222
4333303001113333323
52110242420431441
651245205514255
74643352061241
oct776301277773
9215730077388
1068501733371
1127062496195
121133911298b
1365c8c11356
14345ba44791
151badd09d4b
hexff3057ffb

68501733371 has 4 divisors (see below), whose sum is σ = 69368844000. Its totient is φ = 67634622744.

The previous prime is 68501733367. The next prime is 68501733397. The reversal of 68501733371 is 17333710586.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68501733371 - 22 = 68501733367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68501733301) 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, 433555196 + ... + 433555353.

It is an arithmetic number, because the mean of its divisors is an integer number (17342211000).

Almost surely, 268501733371 is an apocalyptic number.

68501733371 is a deficient number, since it is larger than the sum of its proper divisors (867110629).

68501733371 is an equidigital number, since it uses as much as digits as its factorization.

68501733371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867110628.

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 68501733371 in words is "sixty-eight billion, five hundred one million, seven hundred thirty-three thousand, three hundred seventy-one".

Divisors: 1 79 867110549 68501733371