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10981129 is a prime number
BaseRepresentation
bin101001111000…
…111100001001
3202122220021111
4221320330021
510302344004
61031210321
7162223645
oct51707411
922586244
1010981129
116220315
1238169a1
132376313
14165bc25
15e6da04
hexa78f09

10981129 has 2 divisors, whose sum is σ = 10981130. Its totient is φ = 10981128.

The previous prime is 10981109. The next prime is 10981141. The reversal of 10981129 is 92118901.

10981129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9909904 + 1071225 = 3148^2 + 1035^2 .

It is a cyclic number.

It is not a de Polignac number, because 10981129 - 221 = 8883977 is a prime.

It is a super-2 number, since 2×109811292 = 241170388229282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10981129.

It is not a weakly prime, because it can be changed into another prime (10981109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5490564 + 5490565.

It is an arithmetic number, because the mean of its divisors is an integer number (5490565).

Almost surely, 210981129 is an apocalyptic number.

It is an amenable number.

10981129 is a deficient number, since it is larger than the sum of its proper divisors (1).

10981129 is an equidigital number, since it uses as much as digits as its factorization.

10981129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 31.

The square root of 10981129 is about 3313.7786588727. The cubic root of 10981129 is about 222.2707582965.

The spelling of 10981129 in words is "ten million, nine hundred eighty-one thousand, one hundred twenty-nine".