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30123650275 = 522352388957
BaseRepresentation
bin11100000011100000…
…100110110011100011
32212202100221222122221
4130003200212303203
5443143123302100
621501050211511
72114330542165
oct340340466343
985670858587
1030123650275
1111859019344
125a08423b97
132ac0b99644
14165aa34935
15bb490101a
hex703826ce3

30123650275 has 12 divisors (see below), whose sum is σ = 38977384752. Its totient is φ = 23051140640.

The previous prime is 30123650261. The next prime is 30123650311. The reversal of 30123650275 is 57205632103.

It is not a de Polignac number, because 30123650275 - 29 = 30123649763 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30123650275.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26193904 + ... + 26195053.

It is an arithmetic number, because the mean of its divisors is an integer number (3248115396).

Almost surely, 230123650275 is an apocalyptic number.

30123650275 is a deficient number, since it is larger than the sum of its proper divisors (8853734477).

30123650275 is a wasteful number, since it uses less digits than its factorization.

30123650275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52388990 (or 52388985 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 34.

The spelling of 30123650275 in words is "thirty billion, one hundred twenty-three million, six hundred fifty thousand, two hundred seventy-five".

Divisors: 1 5 23 25 115 575 52388957 261944785 1204946011 1309723925 6024730055 30123650275