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68802904001 = 1338313818619
BaseRepresentation
bin100000000010011111…
…0001111111111000001
320120120222210122212202
41000010332033333001
52111402020412001
651335125002545
74654000014566
oct1000476177701
9216528718782
1068802904001
11271a749a137
1211401b53455
13664642bc20
143489a4086d
151bca49a96b
hex1004f8ffc1

68802904001 has 8 divisors (see below), whose sum is σ = 74288901120. Its totient is φ = 63344544912.

The previous prime is 68802903997. The next prime is 68802904003. The reversal of 68802904001 is 10040920886.

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 68802904001 - 22 = 68802903997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68802904003) 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, 6904331 + ... + 6914288.

It is an arithmetic number, because the mean of its divisors is an integer number (9286112640).

Almost surely, 268802904001 is an apocalyptic number.

It is an amenable number.

68802904001 is a deficient number, since it is larger than the sum of its proper divisors (5485997119).

68802904001 is a wasteful number, since it uses less digits than its factorization.

68802904001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13819015.

The product of its (nonzero) digits is 27648, while the sum is 38.

The spelling of 68802904001 in words is "sixty-eight billion, eight hundred two million, nine hundred four thousand, one".

Divisors: 1 13 383 4979 13818619 179642047 5292531077 68802904001