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1100404111 = 23217911621
BaseRepresentation
bin100000110010110…
…1101010110001111
32211200121022122211
41001211231112033
54223200412421
6301105251251
736161165152
oct10145552617
92750538584
101100404111
11515170994
12268633b27
13146c928c1
14a6205c99
15669159e1
hex4196d58f

1100404111 has 12 divisors (see below), whose sum is σ = 1156853880. Its totient is φ = 1046590160.

The previous prime is 1100404069. The next prime is 1100404153. The reversal of 1100404111 is 1114040011.

It is an interprime number because it is at equal distance from previous prime (1100404069) and next prime (1100404153).

It is not a de Polignac number, because 1100404111 - 211 = 1100402063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100404091 and 1100404100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100404411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88881 + ... + 100501.

It is an arithmetic number, because the mean of its divisors is an integer number (96404490).

Almost surely, 21100404111 is an apocalyptic number.

1100404111 is a deficient number, since it is larger than the sum of its proper divisors (56449769).

1100404111 is a wasteful number, since it uses less digits than its factorization.

1100404111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11846 (or 11823 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1100404111 is about 33172.3395466765. The cubic root of 1100404111 is about 1032.4065108128.

Adding to 1100404111 its reverse (1114040011), we get a palindrome (2214444122).

The spelling of 1100404111 in words is "one billion, one hundred million, four hundred four thousand, one hundred eleven".

Divisors: 1 23 179 529 4117 11621 94691 267283 2080159 6147509 47843657 1100404111