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1213433102042 = 27267377323801
BaseRepresentation
bin10001101010000110001…
…111111011111011011010
311022000002020110101202022
4101222012033323323122
5124340102333231132
62325235442334442
7153445001120600
oct21520617737332
94260066411668
101213433102042
11428683396517
1217720835a422
138a57061abb5
1442a325d3870
152186e18de12
hex11a863fbeda

1213433102042 has 48 divisors (see below), whose sum is σ = 2123295397992. Its totient is φ = 518576486400.

The previous prime is 1213433102023. The next prime is 1213433102087. The reversal of 1213433102042 is 2402013343121.

Adding to 1213433102042 its reverse (2402013343121), we get a palindrome (3615446445163).

It can be written as a sum of positive squares in 4 ways, for example, as 808760274721 + 404672827321 = 899311^2 + 636139^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50970542 + ... + 50994342.

Almost surely, 21213433102042 is an apocalyptic number.

1213433102042 is a deficient number, since it is larger than the sum of its proper divisors (909862295950).

1213433102042 is a wasteful number, since it uses less digits than its factorization.

1213433102042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25263 (or 25256 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The spelling of 1213433102042 in words is "one trillion, two hundred thirteen billion, four hundred thirty-three million, one hundred two thousand, forty-two".