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1142563151 = 3223335447
BaseRepresentation
bin100010000011010…
…0010000101001111
32221121221012222202
41010012202011033
54314444010101
6305213032115
740212424622
oct10406420517
92847835882
101142563151
11536a46674
1227a78563b
13152934092
14aba5bdb9
156a49236b
hex441a214f

1142563151 has 4 divisors (see below), whose sum is σ = 1142630832. Its totient is φ = 1142495472.

The previous prime is 1142563109. The next prime is 1142563153. The reversal of 1142563151 is 1513652411.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1513652411 = 10631142381.

It is a cyclic number.

It is not a de Polignac number, because 1142563151 - 26 = 1142563087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142563153) 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, 14510 + ... + 49956.

It is an arithmetic number, because the mean of its divisors is an integer number (285657708).

Almost surely, 21142563151 is an apocalyptic number.

1142563151 is a deficient number, since it is larger than the sum of its proper divisors (67681).

1142563151 is an equidigital number, since it uses as much as digits as its factorization.

1142563151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67680.

The product of its digits is 3600, while the sum is 29.

The square root of 1142563151 is about 33801.8217112628. The cubic root of 1142563151 is about 1045.4262589542.

The spelling of 1142563151 in words is "one billion, one hundred forty-two million, five hundred sixty-three thousand, one hundred fifty-one".

Divisors: 1 32233 35447 1142563151