Base | Representation |
---|---|
bin | 101101100111010010000111… |
… | …1001010100101010101010111 |
3 | 1221121121120020122211000122011 |
4 | 1123032210033022211111113 |
5 | 410042120120331314111 |
6 | 3541155222231045051 |
7 | 150340264165055422 |
oct | 13316441712452527 |
9 | 1847546218730564 |
10 | 401223214323031 |
11 | 10692989a688221 |
12 | 38bbb8b6810787 |
13 | 142b5257425379 |
14 | 7111442cd09b9 |
15 | 315bb0ad62021 |
hex | 16ce90f2a5557 |
401223214323031 has 16 divisors (see below), whose sum is σ = 426247361464320. Its totient is φ = 377058549137760.
The previous prime is 401223214322989. The next prime is 401223214323083. The reversal of 401223214323031 is 130323412322104.
It is not a de Polignac number, because 401223214323031 - 223 = 401223205934423 is a prime.
It is a super-2 number, since 2×4012232143230312 (a number of 30 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 401223214322984 and 401223214323002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (401223214323131) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 869690371 + ... + 870151588.
It is an arithmetic number, because the mean of its divisors is an integer number (26640460091520).
Almost surely, 2401223214323031 is an apocalyptic number.
401223214323031 is a deficient number, since it is larger than the sum of its proper divisors (25024147141289).
401223214323031 is a wasteful number, since it uses less digits than its factorization.
401223214323031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1739842206.
The product of its (nonzero) digits is 20736, while the sum is 31.
Adding to 401223214323031 its reverse (130323412322104), we get a palindrome (531546626645135).
The spelling of 401223214323031 in words is "four hundred one trillion, two hundred twenty-three billion, two hundred fourteen million, three hundred twenty-three thousand, thirty-one".
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