Base | Representation |
---|---|
bin | 11101100011101000110… |
… | …010101001011000001000 |
3 | 21012011200221201112212102 |
4 | 131203220302221120020 |
5 | 231234223304421004 |
6 | 4153031024132532 |
7 | 266513204311013 |
oct | 35435062513010 |
9 | 7164627645772 |
10 | 2031130154504 |
11 | 713441025700 |
12 | 289791467148 |
13 | 1196c4b07539 |
14 | 7044304637a |
15 | 37c7ae4711e |
hex | 1d8e8ca9608 |
2031130154504 has 24 divisors (see below), whose sum is σ = 4186058533230. Its totient is φ = 923240978880.
The previous prime is 2031130154503. The next prime is 2031130154507. The reversal of 2031130154504 is 4054510311302.
It can be written as a sum of positive squares in only one way, i.e., 1416314208100 + 614815946404 = 1190090^2 + 784102^2 .
It is a super-2 number, since 2×20311301545042 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2031130154503) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1049136509 + ... + 1049138444.
Almost surely, 22031130154504 is an apocalyptic number.
It is an amenable number.
2031130154504 is an abundant number, since it is smaller than the sum of its proper divisors (2154928378726).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2031130154504 is a wasteful number, since it uses less digits than its factorization.
2031130154504 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2098274981 (or 2098274966 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 29.
Adding to 2031130154504 its reverse (4054510311302), we get a palindrome (6085640465806).
The spelling of 2031130154504 in words is "two trillion, thirty-one billion, one hundred thirty million, one hundred fifty-four thousand, five hundred four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •