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1101201213 = 3767782659
BaseRepresentation
bin100000110100010…
…1111111100111101
32211202002211002010
41001220233330331
54223401414323
6301134321433
736201025110
oct10150577475
92752084063
101101201213
11515665852
12268959279
131471b1668
14a6372577
1566a21c93
hex41a2ff3d

1101201213 has 16 divisors (see below), whose sum is σ = 1703068160. Its totient is φ = 619865136.

The previous prime is 1101201203. The next prime is 1101201263. The reversal of 1101201213 is 3121021011.

It is not a de Polignac number, because 1101201213 - 217 = 1101070141 is a prime.

It is a super-2 number, since 2×11012012132 = 2425288223025342738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101201203) 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, 389923 + ... + 392736.

It is an arithmetic number, because the mean of its divisors is an integer number (106441760).

Almost surely, 21101201213 is an apocalyptic number.

It is an amenable number.

1101201213 is a deficient number, since it is larger than the sum of its proper divisors (601866947).

1101201213 is an equidigital number, since it uses as much as digits as its factorization.

1101201213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782736.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1101201213 is about 33184.3519297876. The cubic root of 1101201213 is about 1032.6557327919.

Adding to 1101201213 its reverse (3121021011), we get a palindrome (4222222224).

The spelling of 1101201213 in words is "one billion, one hundred one million, two hundred one thousand, two hundred thirteen".

Divisors: 1 3 7 21 67 201 469 1407 782659 2347977 5478613 16435839 52438153 157314459 367067071 1101201213