Base | Representation |
---|---|
bin | 10100001111111010… |
… | …11001111111010101 |
3 | 1001001121121210010121 |
4 | 22013331121333111 |
5 | 134230431042424 |
6 | 4554414151541 |
7 | 533251413145 |
oct | 120775317725 |
9 | 31047553117 |
10 | 10870955989 |
11 | 467940a153 |
12 | 21347b25b1 |
13 | 104328504a |
14 | 751abc925 |
15 | 43959dee4 |
hex | 287f59fd5 |
10870955989 has 2 divisors, whose sum is σ = 10870955990. Its totient is φ = 10870955988.
The previous prime is 10870955939. The next prime is 10870956053. The reversal of 10870955989 is 98955907801.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 10797288100 + 73667889 = 103910^2 + 8583^2 .
It is a cyclic number.
It is not a de Polignac number, because 10870955989 - 211 = 10870953941 is a prime.
It is a super-2 number, since 2×108709559892 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10870955939) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5435477994 + 5435477995.
It is an arithmetic number, because the mean of its divisors is an integer number (5435477995).
Almost surely, 210870955989 is an apocalyptic number.
It is an amenable number.
10870955989 is a deficient number, since it is larger than the sum of its proper divisors (1).
10870955989 is an equidigital number, since it uses as much as digits as its factorization.
10870955989 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8164800, while the sum is 61.
The spelling of 10870955989 in words is "ten billion, eight hundred seventy million, nine hundred fifty-five thousand, nine hundred eighty-nine".
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