Base | Representation |
---|---|
bin | 1000000001100011… |
… | …1001011000101010 |
3 | 12120010011001102212 |
4 | 2000120321120222 |
5 | 13402411311104 |
6 | 553423525122 |
7 | 104243532662 |
oct | 20030713052 |
9 | 5503131385 |
10 | 2154010154 |
11 | a0597878a |
12 | 5014597a2 |
13 | 28434b62a |
14 | 1661091a2 |
15 | c918536e |
hex | 8063962a |
2154010154 has 8 divisors (see below), whose sum is σ = 3231247140. Its totient is φ = 1076927776.
The previous prime is 2154010151. The next prime is 2154010163. The reversal of 2154010154 is 4510104512.
It can be written as a sum of positive squares in 2 ways, for example, as 2066157025 + 87853129 = 45455^2 + 9373^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (2154010151) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6932 + ... + 66000.
Almost surely, 22154010154 is an apocalyptic number.
2154010154 is a deficient number, since it is larger than the sum of its proper divisors (1077236986).
2154010154 is a wasteful number, since it uses less digits than its factorization.
2154010154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77304.
The product of its (nonzero) digits is 800, while the sum is 23.
The square root of 2154010154 is about 46411.3149350457. The cubic root of 2154010154 is about 1291.4648252204.
Adding to 2154010154 its reverse (4510104512), we get a palindrome (6664114666).
The spelling of 2154010154 in words is "two billion, one hundred fifty-four million, ten thousand, one hundred fifty-four".
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