| Base | Representation |
|---|---|
| bin | 101001110010100… |
| … | …0011001001000000 |
| 3 | 10121201112012202120 |
| 4 | 1103211003021000 |
| 5 | 10332432033440 |
| 6 | 351050244240 |
| 7 | 46514453136 |
| oct | 12345031100 |
| 9 | 3551465676 |
| 10 | 1402221120 |
| 11 | 65a576533 |
| 12 | 331726680 |
| 13 | 194678751 |
| 14 | d432d756 |
| 15 | 83182dd0 |
| hex | 53943240 |
1402221120 has 112 divisors (see below), whose sum is σ = 4482388800. Its totient is φ = 371378176.
The previous prime is 1402221113. The next prime is 1402221127. The reversal of 1402221120 is 211222041.
It is an interprime number because it is at equal distance from previous prime (1402221113) and next prime (1402221127).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 1402221120.
It is not an unprimeable number, because it can be changed into a prime (1402221127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138139 + ... + 147941.
Almost surely, 21402221120 is an apocalyptic number.
1402221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1402221120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2241194400).
1402221120 is an abundant number, since it is smaller than the sum of its proper divisors (3080167680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1402221120 is a wasteful number, since it uses less digits than its factorization.
1402221120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9972 (or 9962 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
The square root of 1402221120 is about 37446.2430692319. The cubic root of 1402221120 is about 1119.2802348227.
Adding to 1402221120 its reverse (211222041), we get a palindrome (1613443161).
The spelling of 1402221120 in words is "one billion, four hundred two million, two hundred twenty-one thousand, one hundred twenty".
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