Search a number
-
+
30666631556412 = 22331091260266079
BaseRepresentation
bin1101111100100001000011…
…01011100010110100111100
311000120200221021120120221000
412332100201223202310330
513004420230134301122
6145120020035010300
76313406501206515
oct676204153426474
9130520837516830
1030666631556412
119853711044145
123533494a39990
131415b0a6b97c7
147803b6b31a0c
15382a996850ac
hex1be421ae2d3c

30666631556412 has 48 divisors (see below), whose sum is σ = 79578956620800. Its totient is φ = 10212840900720.

The previous prime is 30666631556387. The next prime is 30666631556413. The reversal of 30666631556412 is 21465513666603.

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

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30666631556413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130015212 + ... + 130250867.

It is an arithmetic number, because the mean of its divisors is an integer number (1657894929600).

Almost surely, 230666631556412 is an apocalyptic number.

It is an amenable number.

30666631556412 is an abundant number, since it is smaller than the sum of its proper divisors (48912325064388).

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

30666631556412 is a wasteful number, since it uses less digits than its factorization.

30666631556412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260267183 (or 260267175 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 54.

The spelling of 30666631556412 in words is "thirty trillion, six hundred sixty-six billion, six hundred thirty-one million, five hundred fifty-six thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 1091 2182 3273 4364 6546 9819 13092 19638 29457 39276 58914 117828 260266079 520532158 780798237 1041064316 1561596474 2342394711 3123192948 4684789422 7027184133 9369578844 14054368266 28108736532 283950292189 567900584378 851850876567 1135801168756 1703701753134 2555552629701 3407403506268 5111105259402 7666657889103 10222210518804 15333315778206 30666631556412