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1103012986 = 21381399353
BaseRepresentation
bin100000110111110…
…1010010001111010
32211212111212100211
41001233222101322
54224332403421
6301241221334
736222312205
oct10157522172
92755455324
101103012986
11516692a89
1226949184a
1314769720a
14a66c493c
1566c7d9e1
hex41bea47a

1103012986 has 8 divisors (see below), whose sum is σ = 1655721684. Its totient is φ = 551105760.

The previous prime is 1103012983. The next prime is 1103012993. The reversal of 1103012986 is 6892103011.

It can be written as a sum of positive squares in 2 ways, for example, as 1095279025 + 7733961 = 33095^2 + 2781^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1103012983) 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, 196915 + ... + 202438.

Almost surely, 21103012986 is an apocalyptic number.

1103012986 is a deficient number, since it is larger than the sum of its proper divisors (552708698).

1103012986 is a wasteful number, since it uses less digits than its factorization.

1103012986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400736.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 1103012986 is about 33211.6393151558. The cubic root of 1103012986 is about 1033.2217548849.

Adding to 1103012986 its reverse (6892103011), we get a palindrome (7995115997).

The spelling of 1103012986 in words is "one billion, one hundred three million, twelve thousand, nine hundred eighty-six".

Divisors: 1 2 1381 2762 399353 798706 551506493 1103012986