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30347713871 = 37820208483
BaseRepresentation
bin11100010000110111…
…010101110101001111
32220022222120121010122
4130100313111311033
5444123003320441
621535212455155
72123021211626
oct342067256517
986288517118
1030347713871
1111963547672
125a6b47a4bb
132b2842a857
14167c6bc6bd
15bc941034b
hex710dd5d4f

30347713871 has 4 divisors (see below), whose sum is σ = 31167922392. Its totient is φ = 29527505352.

The previous prime is 30347713853. The next prime is 30347713889. The reversal of 30347713871 is 17831774303.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (30347713853) and next prime (30347713889).

It is a cyclic number.

It is not a de Polignac number, because 30347713871 - 210 = 30347712847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30347713801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410104205 + ... + 410104278.

It is an arithmetic number, because the mean of its divisors is an integer number (7791980598).

Almost surely, 230347713871 is an apocalyptic number.

30347713871 is a deficient number, since it is larger than the sum of its proper divisors (820208521).

30347713871 is an equidigital number, since it uses as much as digits as its factorization.

30347713871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820208520.

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 30347713871 in words is "thirty billion, three hundred forty-seven million, seven hundred thirteen thousand, eight hundred seventy-one".

Divisors: 1 37 820208483 30347713871