Base | Representation |
---|---|
bin | 101010000110110011… |
… | …000111110110100111 |
3 | 11022200211220000101001 |
4 | 222012303013312213 |
5 | 1220043033041130 |
6 | 32434133214131 |
7 | 3160243020103 |
oct | 520663076647 |
9 | 138624800331 |
10 | 45211221415 |
11 | 181a06128a8 |
12 | 8919191347 |
13 | 43568c6c29 |
14 | 228c732903 |
15 | 12992626ca |
hex | a86cc7da7 |
45211221415 has 16 divisors (see below), whose sum is σ = 56150995680. Its totient is φ = 34905144960.
The previous prime is 45211221409. The next prime is 45211221481. The reversal of 45211221415 is 51412211254.
It is not a de Polignac number, because 45211221415 - 29 = 45211220903 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235837 + ... + 382153.
It is an arithmetic number, because the mean of its divisors is an integer number (3509437230).
Almost surely, 245211221415 is an apocalyptic number.
45211221415 is a deficient number, since it is larger than the sum of its proper divisors (10939774265).
45211221415 is a wasteful number, since it uses less digits than its factorization.
45211221415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148482.
The product of its digits is 3200, while the sum is 28.
Adding to 45211221415 its reverse (51412211254), we get a palindrome (96623432669).
The spelling of 45211221415 in words is "forty-five billion, two hundred eleven million, two hundred twenty-one thousand, four hundred fifteen".
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