| Base | Representation |
|---|---|
| bin | 10110101111001100010000… |
| … | …100110100100101100110100 |
| 3 | 111010001220111002021012222020 |
| 4 | 112233030100212210230310 |
| 5 | 101101400001014200040 |
| 6 | 552403211115433140 |
| 7 | 30030522163036611 |
| oct | 2657142046445464 |
| 9 | 433056432235866 |
| 10 | 100000002100020 |
| 11 | 29954843210a30 |
| 12 | b2708064557b0 |
| 13 | 43a4c626cca69 |
| 14 | 1a9a0511db508 |
| 15 | b86369a86cd0 |
| hex | 5af3109a4b34 |
100000002100020 has 192 divisors, whose sum is σ = 313724740847616. Its totient is φ = 23586121797120.
The previous prime is 100000002100001. The next prime is 100000002100027. The reversal of 100000002100020 is 20001200000001.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (6).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a junction number, because it is equal to n+sod(n) for n = 100000002099981 and 100000002100008.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (100000002100027) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 599354329 + ... + 599521151.
It is an arithmetic number, because the mean of its divisors is an integer number (1633983025248).
Almost surely, 2100000002100020 is an apocalyptic number.
100000002100020 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 100000002100020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156862370423808).
100000002100020 is an abundant number, since it is smaller than the sum of its proper divisors (213724738747596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
100000002100020 is a wasteful number, since it uses less digits than its factorization.
100000002100020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 191430 (or 191428 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 6.
Adding to 100000002100020 its reverse (20001200000001), we get a palindrome (120001202100021).
The spelling of 100000002100020 in words is "one hundred trillion, two million, one hundred thousand, twenty".
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