Base | Representation |
---|---|
bin | 11101110010100111001101… |
… | …010101110010000110100010 |
3 | 122011220112012012110120222022 |
4 | 131302213031111302012202 |
5 | 114133123333113412002 |
6 | 1142354224400541442 |
7 | 36411661662661034 |
oct | 3562471525620642 |
9 | 564815165416868 |
10 | 131021422404002 |
11 | 38824967253339 |
12 | 128409b5321882 |
13 | 5815361b1c810 |
14 | 244d683791c54 |
15 | 102327b898ba2 |
hex | 7729cd5721a2 |
131021422404002 has 8 divisors (see below), whose sum is σ = 211649990037276. Its totient is φ = 60471425724912.
The previous prime is 131021422403983. The next prime is 131021422404011. The reversal of 131021422404002 is 200404224120131.
It can be written as a sum of positive squares in 2 ways, for example, as 121265663660761 + 9755758743241 = 11012069^2 + 3123421^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×1310214224040022 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 5039285477077 = 131021422404002 / (1 + 3 + 1 + 0 + 2 + 1 + 4 + 2 + 2 + 4 + 0 + 4 + 0 + 0 + 2).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2519642738513 + ... + 2519642738564.
Almost surely, 2131021422404002 is an apocalyptic number.
131021422404002 is a deficient number, since it is larger than the sum of its proper divisors (80628567633274).
131021422404002 is a wasteful number, since it uses less digits than its factorization.
131021422404002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5039285477092.
The product of its (nonzero) digits is 3072, while the sum is 26.
Adding to 131021422404002 its reverse (200404224120131), we get a palindrome (331425646524133).
The spelling of 131021422404002 in words is "one hundred thirty-one trillion, twenty-one billion, four hundred twenty-two million, four hundred four thousand, two".
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