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1013812667 = 7144830381
BaseRepresentation
bin111100011011011…
…000110110111011
32121122200000112022
4330123120312323
54034014001132
6244333305055
734060160030
oct7433306673
92548600468
101013812667
114802a850a
1224363518b
1313206526a
1498905387
155e00de12
hex3c6d8dbb

1013812667 has 4 divisors (see below), whose sum is σ = 1158643056. Its totient is φ = 868982280.

The previous prime is 1013812661. The next prime is 1013812693. The reversal of 1013812667 is 7662183101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7662183101 = 17450716653.

It is a cyclic number.

It is not a de Polignac number, because 1013812667 - 26 = 1013812603 is a prime.

It is a super-2 number, since 2×10138126672 = 2055632247539305778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013812661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72415184 + ... + 72415197.

It is an arithmetic number, because the mean of its divisors is an integer number (289660764).

Almost surely, 21013812667 is an apocalyptic number.

1013812667 is a deficient number, since it is larger than the sum of its proper divisors (144830389).

1013812667 is an equidigital number, since it uses as much as digits as its factorization.

1013812667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144830388.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1013812667 is about 31840.4250442735. The cubic root of 1013812667 is about 1004.5831846609.

Adding to 1013812667 its reverse (7662183101), we get a palindrome (8675995768).

The spelling of 1013812667 in words is "one billion, thirteen million, eight hundred twelve thousand, six hundred sixty-seven".

Divisors: 1 7 144830381 1013812667