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489648925768 = 23109156100931
BaseRepresentation
bin1110010000000010101…
…10011010110001001000
31201210212110211122210211
413020001112122301020
531010300111111033
61012535215450504
750242646124352
oct7100126326110
91653773748724
10489648925768
111797280651a2
127aa92526a34
13372347bc492
14199b05d40d2
15cb0c0282cd
hex720159ac48

489648925768 has 16 divisors (see below), whose sum is σ = 918933266160. Its totient is φ = 244600054800.

The previous prime is 489648925741. The next prime is 489648925771. The reversal of 489648925768 is 867529846984.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 489648925694 and 489648925703.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28041738 + ... + 28059193.

It is an arithmetic number, because the mean of its divisors is an integer number (57433329135).

Almost surely, 2489648925768 is an apocalyptic number.

It is an amenable number.

489648925768 is a deficient number, since it is larger than the sum of its proper divisors (429284340392).

489648925768 is a wasteful number, since it uses less digits than its factorization.

489648925768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56102028 (or 56102024 counting only the distinct ones).

The product of its digits is 1672151040, while the sum is 76.

The spelling of 489648925768 in words is "four hundred eighty-nine billion, six hundred forty-eight million, nine hundred twenty-five thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 1091 2182 4364 8728 56100931 112201862 224403724 448807448 61206115721 122412231442 244824462884 489648925768