Base | Representation |
---|---|
bin | 11101111110111101001… |
… | …00010000111001111000 |
3 | 10122111012120211010200202 |
4 | 32333132210100321320 |
5 | 113334403143411440 |
6 | 2105140502421332 |
7 | 134301042662006 |
oct | 16773644207170 |
9 | 3574176733622 |
10 | 1030231232120 |
11 | 367a11744052 |
12 | 1477ba431848 |
13 | 761c553197c |
14 | 37c13483a76 |
15 | 1bbea818615 |
hex | efde910e78 |
1030231232120 has 64 divisors (see below), whose sum is σ = 2343277490400. Its totient is φ = 407615224320.
The previous prime is 1030231232101. The next prime is 1030231232161. The reversal of 1030231232120 is 212321320301.
It is a super-2 number, since 2×10302312321202 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 1030231232092 and 1030231232101.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2358050 + ... + 2760590.
Almost surely, 21030231232120 is an apocalyptic number.
1030231232120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1030231232120 is an abundant number, since it is smaller than the sum of its proper divisors (1313046258280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1030231232120 is a wasteful number, since it uses less digits than its factorization.
1030231232120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 403248 (or 403244 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 1030231232120 its reverse (212321320301), we get a palindrome (1242552552421).
The spelling of 1030231232120 in words is "one trillion, thirty billion, two hundred thirty-one million, two hundred thirty-two thousand, one hundred twenty".
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