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30523072027 = 719932187877
BaseRepresentation
bin11100011011010100…
…010001111000011011
32220210012112201022011
4130123110101320123
51000002401301102
622004435210351
72130250555120
oct343324217033
986705481264
1030523072027
1111a43529868
125aba1469b7
132b55867986
141697ac8747
15bd99ed2d7
hex71b511e1b

30523072027 has 8 divisors (see below), whose sum is σ = 34901029856. Its totient is φ = 26149493952.

The previous prime is 30523072003. The next prime is 30523072051. The reversal of 30523072027 is 72027032503.

It is an interprime number because it is at equal distance from previous prime (30523072003) and next prime (30523072051).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30523072027 - 227 = 30388854299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30523072027.

It is not an unprimeable number, because it can be changed into a prime (30523072057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1079988 + ... + 1107889.

It is an arithmetic number, because the mean of its divisors is an integer number (4362628732).

Almost surely, 230523072027 is an apocalyptic number.

30523072027 is a deficient number, since it is larger than the sum of its proper divisors (4377957829).

30523072027 is a wasteful number, since it uses less digits than its factorization.

30523072027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189877.

The product of its (nonzero) digits is 17640, while the sum is 31.

The spelling of 30523072027 in words is "thirty billion, five hundred twenty-three million, seventy-two thousand, twenty-seven".

Divisors: 1 7 1993 13951 2187877 15315139 4360438861 30523072027