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1138003019 = 10311048573
BaseRepresentation
bin100001111010100…
…1000110001001011
32221022100112122222
41003311020301023
54312312044034
6304531204255
740125603026
oct10365106113
92838315588
101138003019
1153441156a
1227914668b
131519c858a
14ab1d21bd
1569d9112e
hex43d48c4b

1138003019 has 4 divisors (see below), whose sum is σ = 1149051696. Its totient is φ = 1126954344.

The previous prime is 1138003003. The next prime is 1138003037. The reversal of 1138003019 is 9103008311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9103008311 = 16033567767.

It is a cyclic number.

It is not a de Polignac number, because 1138003019 - 24 = 1138003003 is a prime.

It is a super-2 number, since 2×11380030192 = 2590101742506228722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1138003079) 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, 5524184 + ... + 5524389.

It is an arithmetic number, because the mean of its divisors is an integer number (287262924).

Almost surely, 21138003019 is an apocalyptic number.

1138003019 is a deficient number, since it is larger than the sum of its proper divisors (11048677).

1138003019 is a wasteful number, since it uses less digits than its factorization.

1138003019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11048676.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 1138003019 is about 33734.3003336367. The cubic root of 1138003019 is about 1044.0335895766.

The spelling of 1138003019 in words is "one billion, one hundred thirty-eight million, three thousand, nineteen".

Divisors: 1 103 11048573 1138003019