Base | Representation |
---|---|
bin | 1101110011111100010101… |
… | …01010100110000001111001 |
3 | 10222112112112200220200110110 |
4 | 12321332022222212001321 |
5 | 12440103414240443031 |
6 | 144332420031134533 |
7 | 6253210316564520 |
oct | 671761252460171 |
9 | 128475480820413 |
10 | 30372040171641 |
11 | 974a789974593 |
12 | 34a637a974449 |
13 | 13c40c028654c |
14 | 77002c0594b7 |
15 | 37a0a6c43c46 |
hex | 1b9f8aaa6079 |
30372040171641 has 32 divisors (see below), whose sum is σ = 48059466271488. Its totient is φ = 16700200565760.
The previous prime is 30372040171601. The next prime is 30372040171643. The reversal of 30372040171641 is 14617104027303.
It is not a de Polignac number, because 30372040171641 - 27 = 30372040171513 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 30372040171641.
It is not an unprimeable number, because it can be changed into a prime (30372040171643) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 241548846 + ... + 241674551.
It is an arithmetic number, because the mean of its divisors is an integer number (1501858320984).
Almost surely, 230372040171641 is an apocalyptic number.
It is an amenable number.
30372040171641 is a deficient number, since it is larger than the sum of its proper divisors (17687426099847).
30372040171641 is a wasteful number, since it uses less digits than its factorization.
30372040171641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 483223521.
The product of its (nonzero) digits is 84672, while the sum is 39.
Adding to 30372040171641 its reverse (14617104027303), we get a palindrome (44989144198944).
The spelling of 30372040171641 in words is "thirty trillion, three hundred seventy-two billion, forty million, one hundred seventy-one thousand, six hundred forty-one".
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