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1122105613 = 2915121697
BaseRepresentation
bin100001011100001…
…1111100100001101
32220012102212112011
41002320133210031
54244224334423
6303202341221
736543511636
oct10270374415
92805385464
101122105613
11526443612
1227395a811
1314b620625
14a905488d
15687a0b0d
hex42e1f90d

1122105613 has 12 divisors (see below), whose sum is σ = 1169225820. Its totient is φ = 1075603200.

The previous prime is 1122105599. The next prime is 1122105617. The reversal of 1122105613 is 3165012211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 884884009 + 237221604 = 29747^2 + 15402^2 .

It is not a de Polignac number, because 1122105613 - 217 = 1121974541 is a prime.

It is a super-2 number, since 2×11221056132 = 2518242013452211538, 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 (1122105617) 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, 660381 + ... + 662077.

It is an arithmetic number, because the mean of its divisors is an integer number (97435485).

Almost surely, 21122105613 is an apocalyptic number.

It is an amenable number.

1122105613 is a deficient number, since it is larger than the sum of its proper divisors (47120207).

1122105613 is an equidigital number, since it uses as much as digits as its factorization.

1122105613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028 (or 1877 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1122105613 is about 33497.8449008291. The cubic root of 1122105613 is about 1039.1492095727.

Adding to 1122105613 its reverse (3165012211), we get a palindrome (4287117824).

The spelling of 1122105613 in words is "one billion, one hundred twenty-two million, one hundred five thousand, six hundred thirteen".

Divisors: 1 29 151 1697 4379 22801 49213 256247 661229 7431163 38693297 1122105613