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1213433104 = 24135833813
BaseRepresentation
bin100100001010011…
…1000010100010000
310010120021210021211
41020110320110100
54441114324404
6320224025504
742033003562
oct11024702420
93116253254
101213433104
11572a51284
1229a462294
13164518870
14b7229332
15717e0b04
hex48538510

1213433104 has 20 divisors (see below), whose sum is σ = 2531875276. Its totient is φ = 560045952.

The previous prime is 1213433099. The next prime is 1213433107. The reversal of 1213433104 is 4013343121.

It can be written as a sum of positive squares in 2 ways, for example, as 632623104 + 580810000 = 25152^2 + 24100^2 .

It is not an unprimeable number, because it can be changed into a prime (1213433107) 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, 2916699 + ... + 2917114.

Almost surely, 21213433104 is an apocalyptic number.

It is an amenable number.

1213433104 is an abundant number, since it is smaller than the sum of its proper divisors (1318442172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213433104 is a wasteful number, since it uses less digits than its factorization.

1213433104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5833834 (or 5833828 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1213433104 is about 34834.3667087547. The cubic root of 1213433104 is about 1066.6090876905.

Adding to 1213433104 its reverse (4013343121), we get a palindrome (5226776225).

The spelling of 1213433104 in words is "one billion, two hundred thirteen million, four hundred thirty-three thousand, one hundred four".

Divisors: 1 2 4 8 13 16 26 52 104 208 5833813 11667626 23335252 46670504 75839569 93341008 151679138 303358276 606716552 1213433104