Base | Representation |
---|---|
bin | 11100011100100100… |
… | …010001111011011011 |
3 | 2220211200000012002020 |
4 | 130130210101323123 |
5 | 1000023233344424 |
6 | 22010504505523 |
7 | 2130624042126 |
oct | 343444217333 |
9 | 86750005066 |
10 | 30544043739 |
11 | 11a54353160 |
12 | 5b0517b2a3 |
13 | 2b59ccb481 |
14 | 169a7c73bd |
15 | bdb792079 |
hex | 71c911edb |
30544043739 has 16 divisors (see below), whose sum is σ = 44592871680. Its totient is φ = 18442720160.
The previous prime is 30544043713. The next prime is 30544043759. The reversal of 30544043739 is 93734044503.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 30544043739 - 25 = 30544043707 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30544043739.
It is not an unprimeable number, because it can be changed into a prime (30544043759) 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 15 ways as a sum of consecutive naturals, for example, 1711527 + ... + 1729280.
It is an arithmetic number, because the mean of its divisors is an integer number (2787054480).
Almost surely, 230544043739 is an apocalyptic number.
30544043739 is a deficient number, since it is larger than the sum of its proper divisors (14048827941).
30544043739 is a wasteful number, since it uses less digits than its factorization.
30544043739 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3441090.
The product of its (nonzero) digits is 544320, while the sum is 42.
It can be divided in two parts, 305 and 44043739, that added together give a palindrome (44044044).
The spelling of 30544043739 in words is "thirty billion, five hundred forty-four million, forty-three thousand, seven hundred thirty-nine".
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