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30813860285837 = 57164793832879
BaseRepresentation
bin1110000000110011010010…
…01100100100110110001101
311001002202221220101222020122
413000121221030210312031
513014323241213121322
6145311405245354325
76330141116566646
oct700315114446615
9131082856358218
1030813860285837
1199000a28a7732
123557b235689a5
131426971a8a595
1478758241a6cd
15386814d02442
hex1c0669324d8d

30813860285837 has 8 divisors (see below), whose sum is σ = 30868338483840. Its totient is φ = 30759383884320.

The previous prime is 30813860285773. The next prime is 30813860285843. The reversal of 30813860285837 is 73858206831803.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30813860285837 - 26 = 30813860285773 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 30813860285837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30813860285737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36580364 + ... + 37413242.

It is an arithmetic number, because the mean of its divisors is an integer number (3858542310480).

Almost surely, 230813860285837 is an apocalyptic number.

It is an amenable number.

30813860285837 is a deficient number, since it is larger than the sum of its proper divisors (54478198003).

30813860285837 is an equidigital number, since it uses as much as digits as its factorization.

30813860285837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898243.

The product of its (nonzero) digits is 46448640, while the sum is 62.

The spelling of 30813860285837 in words is "thirty trillion, eight hundred thirteen billion, eight hundred sixty million, two hundred eighty-five thousand, eight hundred thirty-seven".

Divisors: 1 571 64793 832879 36996803 475573909 53964729047 30813860285837