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30206632125 = 353411964659
BaseRepresentation
bin11100001000011101…
…001010000010111101
32212222011002220100210
4130020131022002331
5443330344212000
621513212543033
72116356064605
oct341035120275
985864086323
1030206632125
11118a094688a
125a30181a79
132b05132027
141667a75c05
15bbbd43350
hex70874a0bd

30206632125 has 32 divisors (see below), whose sum is σ = 51489809280. Its totient is φ = 15717264000.

The previous prime is 30206632123. The next prime is 30206632171. The reversal of 30206632125 is 52123660203.

It is not a de Polignac number, because 30206632125 - 21 = 30206632123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30206632092 and 30206632101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30206632123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 966955 + ... + 997704.

It is an arithmetic number, because the mean of its divisors is an integer number (1609056540).

Almost surely, 230206632125 is an apocalyptic number.

It is an amenable number.

30206632125 is a deficient number, since it is larger than the sum of its proper divisors (21283177155).

30206632125 is a wasteful number, since it uses less digits than its factorization.

30206632125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964718 (or 1964708 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 30206632125 in words is "thirty billion, two hundred six million, six hundred thirty-two thousand, one hundred twenty-five".

Divisors: 1 3 5 15 25 41 75 123 125 205 375 615 1025 3075 5125 15375 1964659 5893977 9823295 29469885 49116475 80551019 147349425 241653057 245582375 402755095 736747125 1208265285 2013775475 6041326425 10068877375 30206632125