Base | Representation |
---|---|
bin | 11101111110110001001… |
… | …10101110001011011100 |
3 | 10122110221121121122021122 |
4 | 32333120212232023130 |
5 | 113334202042304040 |
6 | 2105122530550112 |
7 | 134265416560100 |
oct | 16773046561334 |
9 | 3573847548248 |
10 | 1030131213020 |
11 | 36797023a238 |
12 | 147790a38338 |
13 | 761aa8b2580 |
14 | 37c04089900 |
15 | 1bbe1b5d1b5 |
hex | efd89ae2dc |
1030131213020 has 72 divisors (see below), whose sum is σ = 2710037532384. Its totient is φ = 326019544704.
The previous prime is 1030131212989. The next prime is 1030131213029. The reversal of 1030131213020 is 203121310301.
It is a super-2 number, since 2×10301312130202 (a number of 25 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1030131213020.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1030131213029) 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, 40416272 + ... + 40441751.
It is an arithmetic number, because the mean of its divisors is an integer number (37639410172).
Almost surely, 21030131213020 is an apocalyptic number.
1030131213020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1030131213020 is an abundant number, since it is smaller than the sum of its proper divisors (1679906319364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1030131213020 is a wasteful number, since it uses less digits than its factorization.
1030131213020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80858059 (or 80858050 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 1030131213020 its reverse (203121310301), we get a palindrome (1233252523321).
The spelling of 1030131213020 in words is "one trillion, thirty billion, one hundred thirty-one million, two hundred thirteen thousand, twenty".
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