Base | Representation |
---|---|
bin | 1000000000011100… |
… | …1000100111011100 |
3 | 12112210101111022210 |
4 | 2000013020213130 |
5 | 13400213311243 |
6 | 553140040420 |
7 | 104156131020 |
oct | 20007104734 |
9 | 5483344283 |
10 | 2149353948 |
11 | a03288485 |
12 | 4bb993110 |
13 | 2833ab191 |
14 | 165656380 |
15 | c8a65933 |
hex | 801c89dc |
2149353948 has 96 divisors (see below), whose sum is σ = 6110003200. Its totient is φ = 574382016.
The previous prime is 2149353919. The next prime is 2149353977. The reversal of 2149353948 is 8493539412.
It is an interprime number because it is at equal distance from previous prime (2149353919) and next prime (2149353977).
It is a junction number, because it is equal to n+sod(n) for n = 2149353897 and 2149353906.
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, 117561 + ... + 134607.
Almost surely, 22149353948 is an apocalyptic number.
2149353948 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2149353948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3055001600).
2149353948 is an abundant number, since it is smaller than the sum of its proper divisors (3960649252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2149353948 is a wasteful number, since it uses less digits than its factorization.
2149353948 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17159 (or 17157 counting only the distinct ones).
The product of its digits is 933120, while the sum is 48.
The square root of 2149353948 is about 46361.1253961765. The cubic root of 2149353948 is about 1290.5335909269.
The spelling of 2149353948 in words is "two billion, one hundred forty-nine million, three hundred fifty-three thousand, nine hundred forty-eight".
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