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1912795049 = 11473699797
BaseRepresentation
bin111001000000010…
…1110111110101001
311221022021001112002
41302000232332221
512404133420144
6513445500345
765254326644
oct16200567651
94838231462
101912795049
118a17a5260
124547116b5
132463936b9
14142078a5b
15b2dd914e
hex7202efa9

1912795049 has 8 divisors (see below), whose sum is σ = 2131083648. Its totient is φ = 1701906160.

The previous prime is 1912795043. The next prime is 1912795061. The reversal of 1912795049 is 9405972191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1912795049 - 212 = 1912790953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1912794994 and 1912795012.

It is not an unprimeable number, because it can be changed into a prime (1912795043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1849382 + ... + 1850415.

It is an arithmetic number, because the mean of its divisors is an integer number (266385456).

Almost surely, 21912795049 is an apocalyptic number.

It is an amenable number.

1912795049 is a deficient number, since it is larger than the sum of its proper divisors (218288599).

1912795049 is a wasteful number, since it uses less digits than its factorization.

1912795049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3699855.

The product of its (nonzero) digits is 204120, while the sum is 47.

The square root of 1912795049 is about 43735.5124469807. The cubic root of 1912795049 is about 1241.3363690452.

The spelling of 1912795049 in words is "one billion, nine hundred twelve million, seven hundred ninety-five thousand, forty-nine".

Divisors: 1 11 47 517 3699797 40697767 173890459 1912795049