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1042514669 = 7148930667
BaseRepresentation
bin111110001000111…
…000001011101101
32200122200020021102
4332020320023231
54113340432134
6251240412445
734556141240
oct7610701355
92618606242
101042514669
11495521779
12251177125
13137ca44b1
149c657257
15617cd37e
hex3e2382ed

1042514669 has 4 divisors (see below), whose sum is σ = 1191445344. Its totient is φ = 893583996.

The previous prime is 1042514663. The next prime is 1042514677. The reversal of 1042514669 is 9664152401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9664152401 = 17568479553.

It is a cyclic number.

It is not a de Polignac number, because 1042514669 - 24 = 1042514653 is a prime.

It is a super-2 number, since 2×10425146692 = 2173673670160359122, 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 (1042514663) 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, 74465327 + ... + 74465340.

It is an arithmetic number, because the mean of its divisors is an integer number (297861336).

Almost surely, 21042514669 is an apocalyptic number.

It is an amenable number.

1042514669 is a deficient number, since it is larger than the sum of its proper divisors (148930675).

1042514669 is an equidigital number, since it uses as much as digits as its factorization.

1042514669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148930674.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 1042514669 is about 32287.9957414517. The cubic root of 1042514669 is about 1013.9753364630.

The spelling of 1042514669 in words is "one billion, forty-two million, five hundred fourteen thousand, six hundred sixty-nine".

Divisors: 1 7 148930667 1042514669