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672663626253 = 3529472120219
BaseRepresentation
bin10011100100111011110…
…00000110001000001101
32101022021002021201200000
421302131320012020031
542010103342020003
61233003431554513
766412142324613
oct11623570061015
92338232251600
10672663626253
1123a303098483
12aa44982ba39
134b57cb94468
14247b29416b3
151276e22b1a3
hex9c9de0620d

672663626253 has 48 divisors (see below), whose sum is σ = 1042628932800. Its totient is φ = 432865762560.

The previous prime is 672663626161. The next prime is 672663626281. The reversal of 672663626253 is 352626366276.

672663626253 is a `hidden beast` number, since 6 + 7 + 2 + 6 + 6 + 3 + 6 + 2 + 625 + 3 = 666.

It is not a de Polignac number, because 672663626253 - 222 = 672659431949 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 672663626253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672663626293) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33258778 + ... + 33278996.

It is an arithmetic number, because the mean of its divisors is an integer number (21721436100).

Almost surely, 2672663626253 is an apocalyptic number.

It is an amenable number.

672663626253 is a deficient number, since it is larger than the sum of its proper divisors (369965306547).

672663626253 is a wasteful number, since it uses less digits than its factorization.

672663626253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24984 (or 24972 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 54.

The spelling of 672663626253 in words is "six hundred seventy-two billion, six hundred sixty-three million, six hundred twenty-six thousand, two hundred fifty-three".

Divisors: 1 3 9 27 29 81 87 243 261 783 2349 4721 7047 14163 20219 42489 60657 127467 136909 181971 382401 410727 545913 586351 1147203 1232181 1637739 1759053 3696543 4913217 5277159 11089629 15831477 33268887 47494431 95453899 142483293 286361697 859085091 2577255273 2768163071 7731765819 8304489213 23195297457 24913467639 74740402917 224221208751 672663626253