Base | Representation |
---|---|
bin | 110110001000101… |
… | …0010101000001010 |
3 | 11200121000100020111 |
4 | 1230101102220022 |
5 | 12210004101244 |
6 | 500125144534 |
7 | 63004520644 |
oct | 15421225012 |
9 | 4617010214 |
10 | 1816472074 |
11 | 85239539a |
12 | 4283bb14a |
13 | 22c439761 |
14 | 133363894 |
15 | a970de34 |
hex | 6c452a0a |
1816472074 has 16 divisors (see below), whose sum is σ = 2835191808. Its totient is φ = 872137552.
The previous prime is 1816472071. The next prime is 1816472107. The reversal of 1816472074 is 4702746181.
It is a happy number.
It is a super-2 number, since 2×18164720742 = 6599141591243722952, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1816472071) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177322 + ... + 187285.
It is an arithmetic number, because the mean of its divisors is an integer number (177199488).
Almost surely, 21816472074 is an apocalyptic number.
1816472074 is a deficient number, since it is larger than the sum of its proper divisors (1018719734).
1816472074 is a wasteful number, since it uses less digits than its factorization.
1816472074 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 364709.
The product of its (nonzero) digits is 75264, while the sum is 40.
The square root of 1816472074 is about 42620.0900280607. The cubic root of 1816472074 is about 1220.1397479440.
The spelling of 1816472074 in words is "one billion, eight hundred sixteen million, four hundred seventy-two thousand, seventy-four".
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