Search a number
-
+
30000023213310 = 23251372433091907
BaseRepresentation
bin1101101001000111011001…
…01110100001010011111110
310221012222022012101010011100
412310203230232201103332
512413010021420311220
6143445453112433530
76214300353610413
oct664435456412376
9127188265333140
1030000023213310
119616a36006607
1234462570a88a6
131397cb41a9137
1475a01a4b010a
15370581d61d90
hex1b48ecba14fe

30000023213310 has 48 divisors (see below), whose sum is σ = 78569403893136. Its totient is φ = 7941611981184.

The previous prime is 30000023213309. The next prime is 30000023213311. The reversal of 30000023213310 is 1331232000003.

30000023213310 is a `hidden beast` number, since 30 + 0 + 0 + 0 + 0 + 2 + 321 + 3 + 310 = 666.

It is an interprime number because it is at equal distance from previous prime (30000023213309) and next prime (30000023213311).

It is a super-2 number, since 2×300000232133102 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30000023213311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1216533624 + ... + 1216558283.

It is an arithmetic number, because the mean of its divisors is an integer number (1636862581107).

Almost surely, 230000023213310 is an apocalyptic number.

30000023213310 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30000023213310 is an abundant number, since it is smaller than the sum of its proper divisors (48569380679826).

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

30000023213310 is a wasteful number, since it uses less digits than its factorization.

30000023213310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433092057 (or 2433092054 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30000023213310 its reverse (1331232000003), we get a palindrome (31331255213313).

The spelling of 30000023213310 in words is "thirty trillion, twenty-three million, two hundred thirteen thousand, three hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 137 274 411 685 822 1233 1370 2055 2466 4110 6165 12330 2433091907 4866183814 7299275721 12165459535 14598551442 21897827163 24330919070 36496378605 43795654326 72992757210 109489135815 218978271630 333333591259 666667182518 1000000773777 1666667956295 2000001547554 3000002321331 3333335912590 5000003868885 6000004642662 10000007737770 15000011606655 30000023213310