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30825628650 = 2335222833799
BaseRepresentation
bin11100101101010110…
…011100001111101010
32221120021212011222000
4130231112130033222
51001112330104100
622054444111430
72140613343315
oct345526341752
987507764860
1030825628650
111208929a063
125b83535576
132ba344c36b
1416c5d6597c
15c06364900
hex72d59c3ea

30825628650 has 48 divisors (see below), whose sum is σ = 84941736000. Its totient is φ = 8220167280.

The previous prime is 30825628643. The next prime is 30825628651. The reversal of 30825628650 is 5682652803.

30825628650 is a `hidden beast` number, since 3 + 0 + 8 + 2 + 562 + 86 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 30825628596 and 30825628605.

It is not an unprimeable number, because it can be changed into a prime (30825628651) 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, 11415550 + ... + 11418249.

It is an arithmetic number, because the mean of its divisors is an integer number (1769619500).

Almost surely, 230825628650 is an apocalyptic number.

30825628650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30825628650 is an abundant number, since it is smaller than the sum of its proper divisors (54116107350).

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

30825628650 is a wasteful number, since it uses less digits than its factorization.

30825628650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22833820 (or 22833809 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 30825628650 in words is "thirty billion, eight hundred twenty-five million, six hundred twenty-eight thousand, six hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 27 30 45 50 54 75 90 135 150 225 270 450 675 1350 22833799 45667598 68501397 114168995 137002794 205504191 228337990 342506985 411008382 570844975 616512573 685013970 1027520955 1141689950 1233025146 1712534925 2055041910 3082562865 3425069850 5137604775 6165125730 10275209550 15412814325 30825628650