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30641532135 = 35451972
BaseRepresentation
bin11100100010011000…
…001010110011100111
32221002110110010000120
4130202120022303213
51000223213012020
622024310213023
72133216503634
oct344230126347
987073403016
1030641532135
1111aa4389685
125b31954173
132b74272a06
1416a972318b
15be50ec740
hex72260ace7

30641532135 has 12 divisors (see below), whose sum is σ = 49027536168. Its totient is φ = 16341788896.

The previous prime is 30641532127. The next prime is 30641532137. The reversal of 30641532135 is 53123514603.

It is not a de Polignac number, because 30641532135 - 23 = 30641532127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30641532096 and 30641532105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30641532137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 655357 + ... + 700553.

It is an arithmetic number, because the mean of its divisors is an integer number (4085628014).

Almost surely, 230641532135 is an apocalyptic number.

30641532135 is a deficient number, since it is larger than the sum of its proper divisors (18386004033).

30641532135 is an frugal number, since it uses more digits than its factorization.

30641532135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90402 (or 45205 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The spelling of 30641532135 in words is "thirty billion, six hundred forty-one million, five hundred thirty-two thousand, one hundred thirty-five".

Divisors: 1 3 5 15 45197 135591 225985 677955 2042768809 6128306427 10213844045 30641532135