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1019693053 = 7912907507
BaseRepresentation
bin111100110001110…
…100011111111101
32122001201202220101
4330301310133331
54042020134203
6245103321101
734161151021
oct7461643775
92561652811
101019693053
11483654535
122455b0191
13133343992
14995d6381
155e7c141d
hex3cc747fd

1019693053 has 4 divisors (see below), whose sum is σ = 1032600640. Its totient is φ = 1006785468.

The previous prime is 1019693029. The next prime is 1019693069. The reversal of 1019693053 is 3503969101.

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: 3503969101 = 4185462661.

It is a cyclic number.

It is not a de Polignac number, because 1019693053 - 25 = 1019693021 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 (1019693453) 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, 6453675 + ... + 6453832.

It is an arithmetic number, because the mean of its divisors is an integer number (258150160).

Almost surely, 21019693053 is an apocalyptic number.

It is an amenable number.

1019693053 is a deficient number, since it is larger than the sum of its proper divisors (12907587).

1019693053 is an equidigital number, since it uses as much as digits as its factorization.

1019693053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12907586.

The product of its (nonzero) digits is 21870, while the sum is 37.

The square root of 1019693053 is about 31932.6330420778. The cubic root of 1019693053 is about 1006.5217256321.

The spelling of 1019693053 in words is "one billion, nineteen million, six hundred ninety-three thousand, fifty-three".

Divisors: 1 79 12907507 1019693053