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10989012 = 2234092239
BaseRepresentation
bin101001111010…
…110111010100
3202200022002110
4221322313110
510303122022
61031311020
7162255636
oct51726724
922608073
1010989012
116226231
12381b470
132379a98
141660a56
15e7100c
hexa7add4

10989012 has 24 divisors (see below), whose sum is σ = 25715200. Its totient is φ = 3652416.

The previous prime is 10989001. The next prime is 10989047. The reversal of 10989012 is 21098901.

It is a super-2 number, since 2×109890122 = 241516769472288, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3789 + ... + 6027.

Almost surely, 210989012 is an apocalyptic number.

10989012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10989012 is an abundant number, since it is smaller than the sum of its proper divisors (14726188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10989012 is a wasteful number, since it uses less digits than its factorization.

10989012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655 (or 2653 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 10989012 is about 3314.9678731475. The cubic root of 10989012 is about 222.3239325886.

It can be divided in two parts, 1098901 and 2, that added together give a triangular number (1098903 = T1482).

The spelling of 10989012 in words is "ten million, nine hundred eighty-nine thousand, twelve".

Divisors: 1 2 3 4 6 12 409 818 1227 1636 2239 2454 4478 4908 6717 8956 13434 26868 915751 1831502 2747253 3663004 5494506 10989012