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30056400747 = 3228371177159
BaseRepresentation
bin11011111111100000…
…000100011101101011
32212120200102100122200
4123333200010131223
5443023414310442
621450244551243
72112553122342
oct337740043553
985520370580
1030056400747
111182406681a
1259a99b2523
132aacc81a19
141651b2ab59
15bada6a34c
hex6ff80476b

30056400747 has 12 divisors (see below), whose sum is σ = 43430141040. Its totient is φ = 20030520528.

The previous prime is 30056400743. The next prime is 30056400749. The reversal of 30056400747 is 74700465003.

30056400747 is a `hidden beast` number, since 3 + 0 + 0 + 5 + 640 + 0 + 7 + 4 + 7 = 666.

It is not a de Polignac number, because 30056400747 - 22 = 30056400743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30056400743) 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, 563047 + ... + 614112.

It is an arithmetic number, because the mean of its divisors is an integer number (3619178420).

Almost surely, 230056400747 is an apocalyptic number.

30056400747 is a deficient number, since it is larger than the sum of its proper divisors (13373740293).

30056400747 is a wasteful number, since it uses less digits than its factorization.

30056400747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180002 (or 1179999 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The spelling of 30056400747 in words is "thirty billion, fifty-six million, four hundred thousand, seven hundred forty-seven".

Divisors: 1 3 9 2837 8511 25533 1177159 3531477 10594431 3339600083 10018800249 30056400747