Base | Representation |
---|---|
bin | 11100100001001000… |
… | …01100111001011101 |
3 | 1110112000001101100202 |
4 | 32100210030321131 |
5 | 222323414423010 |
6 | 11011121033245 |
7 | 1051255332143 |
oct | 162044147135 |
9 | 43460041322 |
10 | 15310311005 |
11 | 65472a92a0 |
12 | 2b73485825 |
13 | 159cc17132 |
14 | a5351d593 |
15 | 5e91ad6a5 |
hex | 39090ce5d |
15310311005 has 32 divisors (see below), whose sum is σ = 20453440896. Its totient is φ = 10908000000.
The previous prime is 15310310933. The next prime is 15310311041. The reversal of 15310311005 is 50011301351.
It is not a de Polignac number, because 15310311005 - 28 = 15310310749 is a prime.
It is a super-2 number, since 2×153103110052 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 833015 + ... + 851195.
It is an arithmetic number, because the mean of its divisors is an integer number (639170028).
Almost surely, 215310311005 is an apocalyptic number.
It is an amenable number.
15310311005 is a deficient number, since it is larger than the sum of its proper divisors (5143129891).
15310311005 is a wasteful number, since it uses less digits than its factorization.
15310311005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18509.
The product of its (nonzero) digits is 225, while the sum is 20.
Adding to 15310311005 its reverse (50011301351), we get a palindrome (65321612356).
The spelling of 15310311005 in words is "fifteen billion, three hundred ten million, three hundred eleven thousand, five".
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