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1080071893 = 4325117951
BaseRepresentation
bin100000001100000…
…1001011011010101
32210021100100002201
41000120021123111
54202444300033
6255101404501
735523313435
oct10030113325
92707310081
101080071893
11504743aaa
12261869731
131429c41c4
14a36322c5
1564c4b47d
hex406096d5

1080071893 has 4 divisors (see below), whose sum is σ = 1105189888. Its totient is φ = 1054953900.

The previous prime is 1080071887. The next prime is 1080071933. The reversal of 1080071893 is 3981700801.

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.

It is a cyclic number.

It is not a de Polignac number, because 1080071893 - 213 = 1080063701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080071833) 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, 12558933 + ... + 12559018.

It is an arithmetic number, because the mean of its divisors is an integer number (276297472).

Almost surely, 21080071893 is an apocalyptic number.

It is an amenable number.

1080071893 is a deficient number, since it is larger than the sum of its proper divisors (25117995).

1080071893 is an equidigital number, since it uses as much as digits as its factorization.

1080071893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25117994.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 1080071893 is about 32864.4472492692. The cubic root of 1080071893 is about 1026.0083332973.

The spelling of 1080071893 in words is "one billion, eighty million, seventy-one thousand, eight hundred ninety-three".

Divisors: 1 43 25117951 1080071893