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65662629010990 = 25116763731397999
BaseRepresentation
bin11101110111000010001011…
…01011010101111000101110
322121111021201111220002201021
432323201011223111320232
532101304031011322430
6351352554554204354
716554653105363434
oct1673410553257056
9277437644802637
1065662629010990
1119a1640128a080
127445a357236ba
132a83c618b9b2b
14123013404ad54
1578d0805a607a
hex3bb845ad5e2e

65662629010990 has 64 divisors (see below), whose sum is σ = 130882594176000. Its totient is φ = 23517234195840.

The previous prime is 65662629010949. The next prime is 65662629010999. The reversal of 65662629010990 is 9901092626656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65662629010999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46270011 + ... + 47668009.

It is an arithmetic number, because the mean of its divisors is an integer number (2045040534000).

Almost surely, 265662629010990 is an apocalyptic number.

65662629010990 is a deficient number, since it is larger than the sum of its proper divisors (65219965165010).

65662629010990 is a wasteful number, since it uses less digits than its factorization.

65662629010990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404457.

The product of its (nonzero) digits is 18895680, while the sum is 61.

The spelling of 65662629010990 in words is "sixty-five trillion, six hundred sixty-two billion, six hundred twenty-nine million, ten thousand, nine hundred ninety".

Divisors: 1 2 5 10 11 22 55 67 110 134 335 670 737 1474 3685 6373 7370 12746 31865 63730 70103 140206 350515 426991 701030 853982 1397999 2134955 2795998 4269910 4696901 6989995 9393802 13979990 15377989 23484505 30755978 46969010 76889945 93665933 153779890 187331866 468329665 936659330 1030325263 2060650526 5151626315 8909447627 10303252630 17818895254 44547238135 89094476270 98003923897 196007847794 490019619485 596932991009 980039238970 1193865982018 2984664955045 5969329910090 6566262901099 13132525802198 32831314505495 65662629010990