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30940458201 = 3217234492
BaseRepresentation
bin11100110100001100…
…011110110011011001
32221212021221010111100
4130310030132303121
51001331224130301
622114105222013
72143506361332
oct346414366331
987767833440
1030940458201
111213809a214
125bb5a91909
132bc1185a43
1416d72d7289
15c11498286
hex73431ecd9

30940458201 has 27 divisors (see below), whose sum is σ = 47489112541. Its totient is φ = 19407992064.

The previous prime is 30940458193. The next prime is 30940458229. The reversal of 30940458201 is 10285404903.

The square root of 30940458201 is 175899.

It is a perfect power (a square), and thus also a powerful number.

30940458201 is a `hidden beast` number, since 30 + 9 + 40 + 4 + 582 + 0 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5091536025 + 25848922176 = 71355^2 + 160776^2 .

It is not a de Polignac number, because 30940458201 - 23 = 30940458193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30940458251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 8969125 + ... + 8972573.

Almost surely, 230940458201 is an apocalyptic number.

30940458201 is the 175899-th square number.

30940458201 is the 87950-th centered octagonal number.

It is an amenable number.

30940458201 is a deficient number, since it is larger than the sum of its proper divisors (16548654340).

30940458201 is an frugal number, since it uses more digits than its factorization.

30940458201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6938 (or 3469 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

Multiplying 30940458201 by its sum of digits (36), we get a square (1113856495236 = 10553942).

The spelling of 30940458201 in words is "thirty billion, nine hundred forty million, four hundred fifty-eight thousand, two hundred one".

Divisors: 1 3 9 17 51 153 289 867 2601 3449 10347 31041 58633 175899 527697 996761 2990283 8970849 11895601 35686803 107060409 202225217 606675651 1820026953 3437828689 10313486067 30940458201