Base | Representation |
---|---|
bin | 11101111110111001011… |
… | …10000000000010000100 |
3 | 10122111010102111001210211 |
4 | 32333130232000002010 |
5 | 113334322224330040 |
6 | 2105133434125204 |
7 | 134300215320613 |
oct | 16773456000204 |
9 | 3574112431724 |
10 | 1030200230020 |
11 | 3679a6199785 |
12 | 1477abb80804 |
13 | 761bbc98830 |
14 | 37c0d2d387a |
15 | 1bbe7c428ea |
hex | efdcb80084 |
1030200230020 has 48 divisors (see below), whose sum is σ = 2392806045168. Its totient is φ = 370101035520.
The previous prime is 1030200230011. The next prime is 1030200230023. The reversal of 1030200230020 is 200320020301.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 84296154244 + 945904075776 = 290338^2 + 972576^2 .
It is a super-2 number, since 2×10302002300202 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is not an unprimeable number, because it can be changed into a prime (1030200230023) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53535091 + ... + 53554330.
It is an arithmetic number, because the mean of its divisors is an integer number (49850125941).
Almost surely, 21030200230020 is an apocalyptic number.
1030200230020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1030200230020 is an abundant number, since it is smaller than the sum of its proper divisors (1362605815148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1030200230020 is a wasteful number, since it uses less digits than its factorization.
1030200230020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107089480 (or 107089478 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 13.
Adding to 1030200230020 its reverse (200320020301), we get a palindrome (1230520250321).
The spelling of 1030200230020 in words is "one trillion, thirty billion, two hundred million, two hundred thirty thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •