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1010011057 = 1191819187
BaseRepresentation
bin111100001100111…
…000101110110001
32121101111212200221
4330030320232301
54032030323212
6244120013041
734012644436
oct7414705661
92541455627
101010011057
11479141290
12242301181
13131333aa3
14981d5b8d
155da0c807
hex3c338bb1

1010011057 has 4 divisors (see below), whose sum is σ = 1101830256. Its totient is φ = 918191860.

The previous prime is 1010011049. The next prime is 1010011069. The reversal of 1010011057 is 7501100101.

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 1010011057 - 23 = 1010011049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1010011057.

It is not an unprimeable number, because it can be changed into a prime (1010011007) 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, 45909583 + ... + 45909604.

It is an arithmetic number, because the mean of its divisors is an integer number (275457564).

Almost surely, 21010011057 is an apocalyptic number.

It is an amenable number.

1010011057 is a deficient number, since it is larger than the sum of its proper divisors (91819199).

1010011057 is an equidigital number, since it uses as much as digits as its factorization.

1010011057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91819198.

The product of its (nonzero) digits is 35, while the sum is 16.

The square root of 1010011057 is about 31780.6711225550. The cubic root of 1010011057 is about 1003.3259448272.

Adding to 1010011057 its reverse (7501100101), we get a palindrome (8511111158).

The spelling of 1010011057 in words is "one billion, ten million, eleven thousand, fifty-seven".

Divisors: 1 11 91819187 1010011057