Base | Representation |
---|---|
bin | 1100010000011101010… |
… | …01010101100010000010 |
3 | 1111021001211202022200000 |
4 | 12020032221111202002 |
5 | 23400010020342010 |
6 | 521250315540430 |
7 | 42266360200410 |
oct | 6101651254202 |
9 | 1437054668600 |
10 | 421152512130 |
11 | 152678682889 |
12 | 6975715a716 |
13 | 30939a215cc |
14 | 165535762b0 |
15 | ae4d91e7c0 |
hex | 620ea55882 |
421152512130 has 192 divisors, whose sum is σ = 1317146987520. Its totient is φ = 94826407104.
The previous prime is 421152512083. The next prime is 421152512171. The reversal of 421152512130 is 31215251124.
It is a happy number.
421152512130 is a `hidden beast` number, since 4 + 2 + 1 + 1 + 525 + 1 + 2 + 130 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 421152512094 and 421152512103.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 954901 + ... + 1324439.
It is an arithmetic number, because the mean of its divisors is an integer number (6860140560).
Almost surely, 2421152512130 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 421152512130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658573493760).
421152512130 is an abundant number, since it is smaller than the sum of its proper divisors (895994475390).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
421152512130 is a wasteful number, since it uses less digits than its factorization.
421152512130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 369635 (or 369623 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 27.
Adding to 421152512130 its reverse (31215251124), we get a palindrome (452367763254).
The spelling of 421152512130 in words is "four hundred twenty-one billion, one hundred fifty-two million, five hundred twelve thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •