| Base | Representation |
|---|---|
| bin | 111101011001100… |
| … | …110100000111100 |
| 3 | 2122210100121002100 |
| 4 | 331121212200330 |
| 5 | 4102202342112 |
| 6 | 250115025100 |
| 7 | 34345613526 |
| oct | 7531464074 |
| 9 | 2583317070 |
| 10 | 1030121532 |
| 11 | 489527610 |
| 12 | 248b9b190 |
| 13 | 13555558b |
| 14 | 9ab4ca16 |
| 15 | 606812dc |
| hex | 3d66683c |
1030121532 has 72 divisors (see below), whose sum is σ = 2858244480. Its totient is φ = 310223520.
The previous prime is 1030121531. The next prime is 1030121563. The reversal of 1030121532 is 2351210301.
1030121532 is a `hidden beast` number, since 10 + 3 + 0 + 121 + 532 = 666.
It is a super-2 number, since 2×10301215322 = 2122300741380054048, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a plaindrome in base 13.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1030121531) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56569 + ... + 72527.
It is an arithmetic number, because the mean of its divisors is an integer number (39697840).
Almost surely, 21030121532 is an apocalyptic number.
1030121532 is a gapful number since it is divisible by the number (12) 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 1030121532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1429122240).
1030121532 is an abundant number, since it is smaller than the sum of its proper divisors (1828122948).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1030121532 is a wasteful number, since it uses less digits than its factorization.
1030121532 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16143 (or 16138 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 1030121532 is about 32095.5064144500. The cubic root of 1030121532 is about 1009.9413526708.
Adding to 1030121532 its reverse (2351210301), we get a palindrome (3381331833).
The spelling of 1030121532 in words is "one billion, thirty million, one hundred twenty-one thousand, five hundred thirty-two".
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