Base | Representation |
---|---|
bin | 101101011011001000100… |
… | …001010001011001110110 |
3 | 102001102011102120021121002 |
4 | 231123020201101121312 |
5 | 402120323132002014 |
6 | 10350000241323302 |
7 | 441343636542416 |
oct | 55331041213166 |
9 | 12042142507532 |
10 | 3121510422134 |
11 | aa390928a355 |
12 | 424b77636532 |
13 | 198484918280 |
14 | ab120a96646 |
15 | 562e7101dde |
hex | 2d6c8851676 |
3121510422134 has 32 divisors (see below), whose sum is σ = 5055314876640. Its totient is φ = 1437020186112.
The previous prime is 3121510422109. The next prime is 3121510422137. The reversal of 3121510422134 is 4312240151213.
It is a happy number.
It is a super-2 number, since 2×31215104221342 (a number of 26 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 3121510422097 and 3121510422106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3121510422137) 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, 49469897 + ... + 49532955.
It is an arithmetic number, because the mean of its divisors is an integer number (157978589895).
Almost surely, 23121510422134 is an apocalyptic number.
3121510422134 is a deficient number, since it is larger than the sum of its proper divisors (1933804454506).
3121510422134 is a wasteful number, since it uses less digits than its factorization.
3121510422134 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67904.
The product of its (nonzero) digits is 5760, while the sum is 29.
Adding to 3121510422134 its reverse (4312240151213), we get a palindrome (7433750573347).
The spelling of 3121510422134 in words is "three trillion, one hundred twenty-one billion, five hundred ten million, four hundred twenty-two thousand, one hundred thirty-four".
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