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1142052669 = 3374356929
BaseRepresentation
bin100010000010010…
…0101011100111101
32221120222021202000
41010010211130331
54314331141134
6305154052513
740205200422
oct10404453475
92846867660
101142052669
1153672808a
1227a57a139
131527b5914
14ab967d49
156a3e0e99
hex4412573d

1142052669 has 16 divisors (see below), whose sum is σ = 1694236800. Its totient is φ = 760330368.

The previous prime is 1142052647. The next prime is 1142052719. The reversal of 1142052669 is 9662502411.

It is not a de Polignac number, because 1142052669 - 229 = 605181757 is a prime.

It is a super-2 number, since 2×11420526692 = 2608568597540047122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142052169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8404 + ... + 48525.

It is an arithmetic number, because the mean of its divisors is an integer number (105889800).

Almost surely, 21142052669 is an apocalyptic number.

It is an amenable number.

1142052669 is a deficient number, since it is larger than the sum of its proper divisors (552184131).

1142052669 is an equidigital number, since it uses as much as digits as its factorization.

1142052669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57681 (or 57675 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1142052669 is about 33794.2697657458. The cubic root of 1142052669 is about 1045.2705415843.

The spelling of 1142052669 in words is "one billion, one hundred forty-two million, fifty-two thousand, six hundred sixty-nine".

Divisors: 1 3 9 27 743 2229 6687 20061 56929 170787 512361 1537083 42298247 126894741 380684223 1142052669