Base | Representation |
---|---|
bin | 1101110001100100000010… |
… | …1101101110000000100011 |
3 | 1222121212020212122021020002 |
4 | 3130121000231232000203 |
5 | 3441114221421144301 |
6 | 52113325332210215 |
7 | 3122125461302120 |
oct | 334310055560043 |
9 | 58555225567202 |
10 | 15145140412451 |
11 | 490a021a25675 |
12 | 1847290a6996b |
13 | 85b246a6333a |
14 | 3a5058ab5747 |
15 | 1b3e5e7c616b |
hex | dc640b6e023 |
15145140412451 has 16 divisors (see below), whose sum is σ = 17999331287040. Its totient is φ = 12468286713120.
The previous prime is 15145140412447. The next prime is 15145140412471. The reversal of 15145140412451 is 15421404154151.
It is not a de Polignac number, because 15145140412451 - 22 = 15145140412447 is a prime.
It is a super-2 number, since 2×151451404124512 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (15145140412471) 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, 195266471 + ... + 195344016.
It is an arithmetic number, because the mean of its divisors is an integer number (1124958205440).
Almost surely, 215145140412451 is an apocalyptic number.
15145140412451 is a deficient number, since it is larger than the sum of its proper divisors (2854190874589).
15145140412451 is a wasteful number, since it uses less digits than its factorization.
15145140412451 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 390610714.
The product of its (nonzero) digits is 64000, while the sum is 38.
The spelling of 15145140412451 in words is "fifteen trillion, one hundred forty-five billion, one hundred forty million, four hundred twelve thousand, four hundred fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •