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30909727340 = 2251545486367
BaseRepresentation
bin11100110010010111…
…010000001001101100
32221210011002211200022
4130302113100021230
51001300342233330
622111050421312
72142654230102
oct346227201154
987704084608
1030909727340
111212180a708
125ba7731838
132bb79b61bb
1416d31b7c72
15c0d927ae5
hex7325d026c

30909727340 has 12 divisors (see below), whose sum is σ = 64910427456. Its totient is φ = 12363890928.

The previous prime is 30909727279. The next prime is 30909727361. The reversal of 30909727340 is 4372790903.

It is a super-2 number, since 2×309097273402 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30909727291 and 30909727300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 772743164 + ... + 772743203.

It is an arithmetic number, because the mean of its divisors is an integer number (5409202288).

Almost surely, 230909727340 is an apocalyptic number.

It is an amenable number.

30909727340 is an abundant number, since it is smaller than the sum of its proper divisors (34000700116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30909727340 is a wasteful number, since it uses less digits than its factorization.

30909727340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545486376 (or 1545486374 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 44.

The spelling of 30909727340 in words is "thirty billion, nine hundred nine million, seven hundred twenty-seven thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 1545486367 3090972734 6181945468 7727431835 15454863670 30909727340