| Base | Representation |
|---|---|
| bin | 1001000111111001001101… |
| … | …1111110000010000001100 |
| 3 | 1022111222100012012201021100 |
| 4 | 2101332103133300100030 |
| 5 | 2303322421120223040 |
| 6 | 33200140314503100 |
| 7 | 2053506030303114 |
| oct | 221762337602014 |
| 9 | 38458305181240 |
| 10 | 10031223211020 |
| 11 | 3218243a97650 |
| 12 | 1160150434a90 |
| 13 | 579c2ba8090b |
| 14 | 269729bca044 |
| 15 | 125e0613eb30 |
| hex | 91f937f040c |
10031223211020 has 144 divisors (see below), whose sum is σ = 33217306536960. Its totient is φ = 2430121065600.
The previous prime is 10031223210971. The next prime is 10031223211039. The reversal of 10031223211020 is 2011232213001.
10031223211020 is a `hidden beast` number, since 1 + 0 + 0 + 312 + 2 + 321 + 10 + 20 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 10031223210984 and 10031223211002.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1088875 + ... + 4609565.
It is an arithmetic number, because the mean of its divisors is an integer number (230675739840).
Almost surely, 210031223211020 is an apocalyptic number.
10031223211020 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 10031223211020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16608653268480).
10031223211020 is an abundant number, since it is smaller than the sum of its proper divisors (23186083325940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10031223211020 is a wasteful number, since it uses less digits than its factorization.
10031223211020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3522156 (or 3522151 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 10031223211020 its reverse (2011232213001), we get a palindrome (12042455424021).
It can be divided in two parts, 100312 and 23211020, that added together give a palindrome (23311332).
The spelling of 10031223211020 in words is "ten trillion, thirty-one billion, two hundred twenty-three million, two hundred eleven thousand, twenty".
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