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30038883048 = 2334371252873
BaseRepresentation
bin11011111110011101…
…001111101011101000
32212112110110100220000
4123332131033223220
5443004423224143
621444421303000
72112251202336
oct337635175350
985473410800
1030038883048
1111815191489
1259a3b64a60
132aa945a415
14164d68ab56
15bac259bd3
hex6fe74fae8

30038883048 has 80 divisors (see below), whose sum is σ = 86410719780. Its totient is φ = 9742332672.

The previous prime is 30038883041. The next prime is 30038883053. The reversal of 30038883048 is 84038883003.

30038883048 is a `hidden beast` number, since 300 + 38 + 8 + 8 + 304 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21674317284 + 8364565764 = 147222^2 + 91458^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30038882994 and 30038883012.

It is not an unprimeable number, because it can be changed into a prime (30038883041) 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 19 ways as a sum of consecutive naturals, for example, 602461 + ... + 650412.

Almost surely, 230038883048 is an apocalyptic number.

It is an amenable number.

30038883048 is an abundant number, since it is smaller than the sum of its proper divisors (56371836732).

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

30038883048 is a wasteful number, since it uses less digits than its factorization.

30038883048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252928 (or 1252915 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

Subtracting from 30038883048 its sum of digits (45), we obtain a palindrome (30038883003).

The spelling of 30038883048 in words is "thirty billion, thirty-eight million, eight hundred eighty-three thousand, forty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 37 54 72 74 81 108 111 148 162 216 222 296 324 333 444 648 666 888 999 1332 1998 2664 2997 3996 5994 7992 11988 23976 1252873 2505746 3758619 5011492 7517238 10022984 11275857 15034476 22551714 30068952 33827571 45103428 46356301 67655142 90206856 92712602 101482713 135310284 139068903 185425204 202965426 270620568 278137806 370850408 405930852 417206709 556275612 811861704 834413418 1112551224 1251620127 1668826836 2503240254 3337653672 3754860381 5006480508 7509720762 10012961016 15019441524 30038883048