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30805507552 = 25962672111
BaseRepresentation
bin11100101100001001…
…101011110111100000
32221111212222221000011
4130230021223313200
51001042202220202
622052444534304
72140250331241
oct345411536740
987455887004
1030805507552
11120789a6856
125b78851394
132b9c225aa1
1416c3408cc8
15c046dcbd7
hex72c26bde0

30805507552 has 12 divisors (see below), whose sum is σ = 60648343056. Its totient is φ = 15402753760.

The previous prime is 30805507531. The next prime is 30805507571. The reversal of 30805507552 is 25570550803.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 481336024 + ... + 481336087.

It is an arithmetic number, because the mean of its divisors is an integer number (5054028588).

Almost surely, 230805507552 is an apocalyptic number.

30805507552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30805507552 is a deficient number, since it is larger than the sum of its proper divisors (29842835504).

30805507552 is an equidigital number, since it uses as much as digits as its factorization.

30805507552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962672121 (or 962672113 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 40.

The spelling of 30805507552 in words is "thirty billion, eight hundred five million, five hundred seven thousand, five hundred fifty-two".

Divisors: 1 2 4 8 16 32 962672111 1925344222 3850688444 7701376888 15402753776 30805507552