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11010001057 = 1117531110887
BaseRepresentation
bin10100100000011111…
…10100100010100001
31001102022021000002221
422100033310202201
5140022030013212
65020302311041
7536560315306
oct122017644241
931368230087
1011010001057
11473a949830
122173288481
131066019833
147663550ad
154468b7807
hex2903f48a1

11010001057 has 16 divisors (see below), whose sum is σ = 12957397632. Its totient is φ = 9242571520.

The previous prime is 11010001049. The next prime is 11010001063. The reversal of 11010001057 is 75010001011.

It is a cyclic number.

It is not a de Polignac number, because 11010001057 - 23 = 11010001049 is a prime.

It is a super-2 number, since 2×110100010572 (a number of 21 digits) contains 22 as substring.

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 11010001057.

It is not an unprimeable number, because it can be changed into a prime (11010001007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545533 + ... + 565354.

It is an arithmetic number, because the mean of its divisors is an integer number (809837352).

Almost surely, 211010001057 is an apocalyptic number.

11010001057 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11010001057 is a deficient number, since it is larger than the sum of its proper divisors (1947396575).

11010001057 is a wasteful number, since it uses less digits than its factorization.

11010001057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110968.

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

Adding to 11010001057 its reverse (75010001011), we get a palindrome (86020002068).

The spelling of 11010001057 in words is "eleven billion, ten million, one thousand, fifty-seven".

Divisors: 1 11 17 53 187 583 901 9911 1110887 12219757 18885079 58877011 207735869 647647121 1000909187 11010001057