| Base | Representation |
|---|---|
| bin | 1011101101111100… |
| … | …1011010101111000 |
| 3 | 22010012211120201000 |
| 4 | 2323133023111320 |
| 5 | 22420222343222 |
| 6 | 1240043125000 |
| 7 | 140643261555 |
| oct | 27337132570 |
| 9 | 8105746630 |
| 10 | 3145512312 |
| 11 | 1374617a58 |
| 12 | 739513760 |
| 13 | 3b18a18b7 |
| 14 | 21ba83a2c |
| 15 | 1362389ac |
| hex | bb7cb578 |
3145512312 has 128 divisors (see below), whose sum is σ = 9408960000. Its totient is φ = 970034688.
The previous prime is 3145512311. The next prime is 3145512313. The reversal of 3145512312 is 2132155413.
3145512312 is a `hidden beast` number, since 3 + 145 + 512 + 3 + 1 + 2 = 666.
It is an interprime number because it is at equal distance from previous prime (3145512311) and next prime (3145512313).
It is a super-3 number, since 3×31455123123 (a number of 29 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3145512311) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209389 + ... + 223907.
It is an arithmetic number, because the mean of its divisors is an integer number (73507500).
Almost surely, 23145512312 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3145512312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4704480000).
3145512312 is an abundant number, since it is smaller than the sum of its proper divisors (6263447688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3145512312 is a wasteful number, since it uses less digits than its factorization.
3145512312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14610 (or 14600 counting only the distinct ones).
The product of its digits is 3600, while the sum is 27.
The square root of 3145512312 is about 56084.8670498558. The cubic root of 3145512312 is about 1465.2007415945.
Adding to 3145512312 its reverse (2132155413), we get a palindrome (5277667725).
The spelling of 3145512312 in words is "three billion, one hundred forty-five million, five hundred twelve thousand, three hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •