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68182284233 = 739724534827
BaseRepresentation
bin111111011111111110…
…110001011111001001
320111222201222220121102
4333133332301133021
52104114131043413
651153354551145
74632422565530
oct773776613711
9214881886542
1068182284233
1126a09138338
121126a1384b5
136577993aab
14342b44b317
151b90c58458
hexfdffb17c9

68182284233 has 8 divisors (see below), whose sum is σ = 78118892352. Its totient is φ = 58294746576.

The previous prime is 68182284199. The next prime is 68182284241. The reversal of 68182284233 is 33248228186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68182284233 - 28 = 68182283977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68182284433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12264635 + ... + 12270192.

It is an arithmetic number, because the mean of its divisors is an integer number (9764861544).

Almost surely, 268182284233 is an apocalyptic number.

It is an amenable number.

68182284233 is a deficient number, since it is larger than the sum of its proper divisors (9936608119).

68182284233 is a wasteful number, since it uses less digits than its factorization.

68182284233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24535231.

The product of its digits is 884736, while the sum is 47.

The spelling of 68182284233 in words is "sixty-eight billion, one hundred eighty-two million, two hundred eighty-four thousand, two hundred thirty-three".

Divisors: 1 7 397 2779 24534827 171743789 9740326319 68182284233