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1142117663 = 10311088521
BaseRepresentation
bin100010000010011…
…0101010100011111
32221121002120220012
41010010311110133
54314340231123
6305155313435
740205561051
oct10404652437
92847076805
101142117663
115367719a5
1227a5ab87b
1315280938b
14ab9838d1
156a405378
hex4413551f

1142117663 has 4 divisors (see below), whose sum is σ = 1153206288. Its totient is φ = 1131029040.

The previous prime is 1142117659. The next prime is 1142117677. The reversal of 1142117663 is 3667112411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3667112411 = 3671998941.

It is a cyclic number.

It is not a de Polignac number, because 1142117663 - 22 = 1142117659 is a prime.

It is a super-2 number, since 2×11421176632 = 2608865512273163138, 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 (1142117623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5544158 + ... + 5544363.

It is an arithmetic number, because the mean of its divisors is an integer number (288301572).

Almost surely, 21142117663 is an apocalyptic number.

1142117663 is a deficient number, since it is larger than the sum of its proper divisors (11088625).

1142117663 is a wasteful number, since it uses less digits than its factorization.

1142117663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11088624.

The product of its digits is 6048, while the sum is 32.

The square root of 1142117663 is about 33795.2313647946. The cubic root of 1142117663 is about 1045.2903699241.

The spelling of 1142117663 in words is "one billion, one hundred forty-two million, one hundred seventeen thousand, six hundred sixty-three".

Divisors: 1 103 11088521 1142117663