Base | Representation |
---|---|
bin | 10010011001110010… |
… | …10000100010010101 |
3 | 221111112222122211112 |
4 | 21030321100202111 |
5 | 130213240403244 |
6 | 4312214544405 |
7 | 466556503322 |
oct | 111471204225 |
9 | 27445878745 |
10 | 9880012949 |
11 | 4210011a64 |
12 | 1ab8968105 |
13 | c15b99411 |
14 | 69a24bb49 |
15 | 3cc5ab39e |
hex | 24ce50895 |
9880012949 has 8 divisors (see below), whose sum is σ = 10383019680. Its totient is φ = 9389426256.
The previous prime is 9880012931. The next prime is 9880012951. The reversal of 9880012949 is 9492100889.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 9880012949 - 28 = 9880012693 is a prime.
It is a super-2 number, since 2×98800129492 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 9880012897 and 9880012906.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9880012969) 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, 3103379 + ... + 3106560.
It is an arithmetic number, because the mean of its divisors is an integer number (1297877460).
Almost surely, 29880012949 is an apocalyptic number.
It is an amenable number.
9880012949 is a deficient number, since it is larger than the sum of its proper divisors (503006731).
9880012949 is a wasteful number, since it uses less digits than its factorization.
9880012949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6210019.
The product of its (nonzero) digits is 373248, while the sum is 50.
The square root of 9880012949 is about 99398.2542552936. The cubic root of 9880012949 is about 2145.7831860956.
The spelling of 9880012949 in words is "nine billion, eight hundred eighty million, twelve thousand, nine hundred forty-nine".
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