Search a number
-
+
30000012331200 = 2635219332383433
BaseRepresentation
bin1101101001000111011000…
…00101000000100011000000
310221012222021102220020201020
412310203230011000203000
512413010011124044300
6143445452043305440
76214300162245222
oct664435405004300
9127188242806636
1030000012331200
119616a2a95372a
12344625351b280
131397cb1b68c12
1475a018c7a412
15370580e128a0
hex1b48ec1408c0

30000012331200 has 168 divisors, whose sum is σ = 98935017814608. Its totient is φ = 7958552248320.

The previous prime is 30000012331169. The next prime is 30000012331241. The reversal of 30000012331200 is 213321000003.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30000012331200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15265317 + ... + 17118116.

Almost surely, 230000012331200 is an apocalyptic number.

30000012331200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30000012331200 is an abundant number, since it is smaller than the sum of its proper divisors (68935005483408).

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

30000012331200 is a wasteful number, since it uses less digits than its factorization.

30000012331200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32383651 (or 32383636 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30000012331200 its reverse (213321000003), we get a palindrome (30213333331203).

The spelling of 30000012331200 in words is "thirty trillion, twelve million, three hundred thirty-one thousand, two hundred".