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1050000061 = 1195454551
BaseRepresentation
bin111110100101011…
…011101010111101
32201011202112022011
4332211123222331
54122300000221
6252105051221
735006565445
oct7645335275
92634675264
101050000061
11499774650
12253786b11
131396c5616
149d645125
15622ab1e1
hex3e95babd

1050000061 has 4 divisors (see below), whose sum is σ = 1145454624. Its totient is φ = 954545500.

The previous prime is 1050000047. The next prime is 1050000073. The reversal of 1050000061 is 1600000501.

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 1050000061 - 213 = 1049991869 is a prime.

It is a super-2 number, since 2×10500000612 = 2205000256200007442, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1049999996 and 1050000050.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050000011) 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, 47727265 + ... + 47727286.

It is an arithmetic number, because the mean of its divisors is an integer number (286363656).

Almost surely, 21050000061 is an apocalyptic number.

1050000061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1050000061 is a deficient number, since it is larger than the sum of its proper divisors (95454563).

1050000061 is an equidigital number, since it uses as much as digits as its factorization.

1050000061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95454562.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1050000061 is about 32403.7044332897. The cubic root of 1050000061 is about 1016.3963764974.

Adding to 1050000061 its reverse (1600000501), we get a palindrome (2650000562).

The spelling of 1050000061 in words is "one billion, fifty million, sixty-one", and thus it is an aban number and an uban number.

Divisors: 1 11 95454551 1050000061