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30540002117 = 232439131507
BaseRepresentation
bin11100011100010100…
…110111001101000101
32220211101101212000112
4130130110313031011
51000021220031432
622010242122405
72130544510022
oct343424671505
986741355015
1030540002117
1111a52042679
125b03950405
132b59214991
14169a054549
15bdb2447b2
hex71c537345

30540002117 has 12 divisors (see below), whose sum is σ = 31998526560. Its totient is φ = 29145411768.

The previous prime is 30540002111. The next prime is 30540002137. The reversal of 30540002117 is 71120004503.

It is a de Polignac number, because none of the positive numbers 2k-30540002117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30540002092 and 30540002101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30540002111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166478 + ... + 297984.

It is an arithmetic number, because the mean of its divisors is an integer number (2666543880).

Almost surely, 230540002117 is an apocalyptic number.

It is an amenable number.

30540002117 is a deficient number, since it is larger than the sum of its proper divisors (1458524443).

30540002117 is a wasteful number, since it uses less digits than its factorization.

30540002117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131992 (or 131969 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The spelling of 30540002117 in words is "thirty billion, five hundred forty million, two thousand, one hundred seventeen".

Divisors: 1 23 439 529 10097 131507 232231 3024661 57731573 69567203 1327826179 30540002117