Base | Representation |
---|---|
bin | 1001000111110101000111… |
… | …0101001110001100010100 |
3 | 1022111212111102020011001121 |
4 | 2101331101311032030110 |
5 | 2303313142103324140 |
6 | 33155435122133324 |
7 | 2053436522260240 |
oct | 221752165161424 |
9 | 38455442204047 |
10 | 10030121542420 |
11 | 3217829142731 |
12 | 115baa34b1244 |
13 | 579ab47675c5 |
14 | 269663775420 |
15 | 125d8e57964a |
hex | 91f51d4e314 |
10030121542420 has 72 divisors (see below), whose sum is σ = 24873866785152. Its totient is φ = 3327966550080.
The previous prime is 10030121542417. The next prime is 10030121542421. The reversal of 10030121542420 is 2424512103001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10030121542421) 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, 37141072 + ... + 37410151.
It is an arithmetic number, because the mean of its divisors is an integer number (345470372016).
Almost surely, 210030121542420 is an apocalyptic number.
10030121542420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10030121542420 is an abundant number, since it is smaller than the sum of its proper divisors (14843745242732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10030121542420 is a wasteful number, since it uses less digits than its factorization.
10030121542420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74551301 (or 74551268 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 25.
Adding to 10030121542420 its reverse (2424512103001), we get a palindrome (12454633645421).
The spelling of 10030121542420 in words is "ten trillion, thirty billion, one hundred twenty-one million, five hundred forty-two thousand, four hundred twenty".
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