Base | Representation |
---|---|
bin | 11100000110001110… |
… | …001010111111010111 |
3 | 2212212112120120201200 |
4 | 130012032022333113 |
5 | 443241300240044 |
6 | 21505353323543 |
7 | 2115422352534 |
oct | 340616127727 |
9 | 85775516650 |
10 | 30169149399 |
11 | 11881775524 |
12 | 5a1b7065b3 |
13 | 2aca43a1bc |
14 | 1662ab9d8b |
15 | bb88dc369 |
hex | 70638afd7 |
30169149399 has 24 divisors (see below), whose sum is σ = 46549406592. Its totient is φ = 18762132480.
The previous prime is 30169149397. The next prime is 30169149407. The reversal of 30169149399 is 99394196103.
30169149399 is a `hidden beast` number, since 3 + 0 + 1 + 69 + 1 + 493 + 99 = 666.
It is not a de Polignac number, because 30169149399 - 21 = 30169149397 is a prime.
It is a super-2 number, since 2×301691493992 (a number of 22 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30169149397) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 855207 + ... + 889784.
It is an arithmetic number, because the mean of its divisors is an integer number (1939558608).
Almost surely, 230169149399 is an apocalyptic number.
30169149399 is a deficient number, since it is larger than the sum of its proper divisors (16380257193).
30169149399 is a wasteful number, since it uses less digits than its factorization.
30169149399 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1745127 (or 1745124 counting only the distinct ones).
The product of its (nonzero) digits is 1417176, while the sum is 54.
The spelling of 30169149399 in words is "thirty billion, one hundred sixty-nine million, one hundred forty-nine thousand, three hundred ninety-nine".
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