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30666101312730 = 2351378631029007
BaseRepresentation
bin1101111100100000000100…
…00100110100110011011010
311000120122120022211102100010
412332100002010310303122
513004413133414001410
6145115451254022350
76313360402210542
oct676200204646332
9130518508742303
1030666101312730
119853469800224
1235333673479b6
131415a548a5850
14780366546322
15382a67d45c20
hex1be402134cda

30666101312730 has 32 divisors (see below), whose sum is σ = 79260077240064. Its totient is φ = 7548578784576.

The previous prime is 30666101312719. The next prime is 30666101312831. The reversal of 30666101312730 is 3721310166603.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39315514114 + ... + 39315514893.

It is an arithmetic number, because the mean of its divisors is an integer number (2476877413752).

Almost surely, 230666101312730 is an apocalyptic number.

30666101312730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30666101312730 is an abundant number, since it is smaller than the sum of its proper divisors (48593975927334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30666101312730 is a wasteful number, since it uses less digits than its factorization.

30666101312730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78631029030.

The product of its (nonzero) digits is 81648, while the sum is 39.

The spelling of 30666101312730 in words is "thirty trillion, six hundred sixty-six billion, one hundred one million, three hundred twelve thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 78631029007 157262058014 235893087021 393155145035 471786174042 786310290070 1022203377091 1179465435105 2044406754182 2358930870210 3066610131273 5111016885455 6133220262546 10222033770910 15333050656365 30666101312730