Base | Representation |
---|---|
bin | 11101111110101101110… |
… | …00011110000001101101 |
3 | 10122110212121020021012020 |
4 | 32333112320132001231 |
5 | 113334122142423041 |
6 | 2105120015300353 |
7 | 134264616113520 |
oct | 16772670360155 |
9 | 3573777207166 |
10 | 1030102311021 |
11 | 367955999793 |
12 | 14778321a6b9 |
13 | 761a49032b4 |
14 | 37c002c4bb7 |
15 | 1bbde34e866 |
hex | efd6e1e06d |
1030102311021 has 32 divisors (see below), whose sum is σ = 1586511360000. Its totient is φ = 582349512000.
The previous prime is 1030102310989. The next prime is 1030102311031. The reversal of 1030102311021 is 1201132010301.
It is a happy number.
It is not a de Polignac number, because 1030102311021 - 25 = 1030102310989 is a prime.
It is a super-2 number, since 2×10301023110212 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1030102311031) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129580 + ... + 1441178.
It is an arithmetic number, because the mean of its divisors is an integer number (49578480000).
Almost surely, 21030102311021 is an apocalyptic number.
It is an amenable number.
1030102311021 is a deficient number, since it is larger than the sum of its proper divisors (556409048979).
1030102311021 is a wasteful number, since it uses less digits than its factorization.
1030102311021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1312009.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 1030102311021 its reverse (1201132010301), we get a palindrome (2231234321322).
The spelling of 1030102311021 in words is "one trillion, thirty billion, one hundred two million, three hundred eleven thousand, twenty-one".
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