Base | Representation |
---|---|
bin | 1001100011001101111110… |
… | …01101111011110001111010 |
3 | 2202100201000221002220201200 |
4 | 10301212333031323301322 |
5 | 10223041132110224010 |
6 | 112355510540555030 |
7 | 4265202604624164 |
oct | 461467715736172 |
9 | 82321027086650 |
10 | 21001303211130 |
11 | 676766a183820 |
12 | 2432239b52a76 |
13 | b94550570008 |
14 | 52867b7bd934 |
15 | 26645ac23cc0 |
hex | 1319bf37bc7a |
21001303211130 has 96 divisors (see below), whose sum is σ = 61177260763008. Its totient is φ = 4953624336000.
The previous prime is 21001303211029. The next prime is 21001303211153. The reversal of 21001303211130 is 3111230310012.
21001303211130 is a `hidden beast` number, since 2 + 100 + 130 + 321 + 113 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
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, 286631446 + ... + 286704705.
It is an arithmetic number, because the mean of its divisors is an integer number (637263132948).
Almost surely, 221001303211130 is an apocalyptic number.
21001303211130 is an abundant number, since it is smaller than the sum of its proper divisors (40175957551878).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21001303211130 is a wasteful number, since it uses less digits than its factorization.
21001303211130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 573336212 (or 573336209 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 21001303211130 its reverse (3111230310012), we get a palindrome (24112533521142).
The spelling of 21001303211130 in words is "twenty-one trillion, one billion, three hundred three million, two hundred eleven thousand, one hundred thirty".
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