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1269083493 = 32141009277
BaseRepresentation
bin100101110100100…
…1010110101100101
310021110000010021100
41023221022311211
510044341132433
6325532510313
743310013606
oct11351126545
93243003240
101269083493
115a1401237
122b501b399
13172c01aa2
14c0793dad
1576634b13
hex4ba4ad65

1269083493 has 6 divisors (see below), whose sum is σ = 1833120614. Its totient is φ = 846055656.

The previous prime is 1269083449. The next prime is 1269083531. The reversal of 1269083493 is 3943809621.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1074397284 + 194686209 = 32778^2 + 13953^2 .

It is not a de Polignac number, because 1269083493 - 220 = 1268034917 is a prime.

It is a super-2 number, since 2×12690834932 = 3221145824410162098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1269083293) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70504630 + ... + 70504647.

Almost surely, 21269083493 is an apocalyptic number.

It is an amenable number.

1269083493 is a deficient number, since it is larger than the sum of its proper divisors (564037121).

1269083493 is a wasteful number, since it uses less digits than its factorization.

1269083493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141009283 (or 141009280 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 1269083493 is about 35624.1981383441. The cubic root of 1269083493 is about 1082.6715675489.

The spelling of 1269083493 in words is "one billion, two hundred sixty-nine million, eighty-three thousand, four hundred ninety-three".

Divisors: 1 3 9 141009277 423027831 1269083493