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1142095769 = 31191192889
BaseRepresentation
bin100010000010010…
…1111111110011001
32221121001110212022
41010010233332121
54314334031034
6305155024225
740205440163
oct10404577631
92847043768
101142095769
11536757501
1227a59b075
131527cc419
14ab979933
156a3edb2e
hex4412ff99

1142095769 has 8 divisors (see below), whose sum is σ = 1185116160. Its totient is φ = 1099461600.

The previous prime is 1142095753. The next prime is 1142095783. The reversal of 1142095769 is 9675902411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1142095769 - 24 = 1142095753 is a prime.

It is a super-2 number, since 2×11420957692 = 2608765491135402722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142095709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90524 + ... + 102365.

It is an arithmetic number, because the mean of its divisors is an integer number (148139520).

Almost surely, 21142095769 is an apocalyptic number.

It is an amenable number.

1142095769 is a deficient number, since it is larger than the sum of its proper divisors (43020391).

1142095769 is a wasteful number, since it uses less digits than its factorization.

1142095769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193111.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 1142095769 is about 33794.9074418025. The cubic root of 1142095769 is about 1045.2836905966.

The spelling of 1142095769 in words is "one billion, one hundred forty-two million, ninety-five thousand, seven hundred sixty-nine".

Divisors: 1 31 191 5921 192889 5979559 36841799 1142095769