Base | Representation |
---|---|
bin | 11101111000001010111101… |
… | …101101010011000001000101 |
3 | 122020021001011201200220220001 |
4 | 131320022331231103001011 |
5 | 114210403142012101041 |
6 | 1143245521052241301 |
7 | 36451404023601622 |
oct | 3570127555230105 |
9 | 566231151626801 |
10 | 131403412222021 |
11 | 38961968579415 |
12 | 128a2a40a70231 |
13 | 584239a0a3c34 |
14 | 2463d5da37349 |
15 | 102d187077131 |
hex | 7782bdb53045 |
131403412222021 has 8 divisors (see below), whose sum is σ = 132632550620064. Its totient is φ = 130174293622800.
The previous prime is 131403412221959. The next prime is 131403412222057. The reversal of 131403412222021 is 120222214304131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131403412222021 - 229 = 131402875351109 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131403412222421) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8557831 + ... + 18331483.
It is an arithmetic number, because the mean of its divisors is an integer number (16579068827508).
Almost surely, 2131403412222021 is an apocalyptic number.
It is an amenable number.
131403412222021 is a deficient number, since it is larger than the sum of its proper divisors (1229138398043).
131403412222021 is a wasteful number, since it uses less digits than its factorization.
131403412222021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9899411.
The product of its (nonzero) digits is 4608, while the sum is 28.
Adding to 131403412222021 its reverse (120222214304131), we get a palindrome (251625626526152).
The spelling of 131403412222021 in words is "one hundred thirty-one trillion, four hundred three billion, four hundred twelve million, two hundred twenty-two thousand, twenty-one".
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