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11933889032 = 2313229712
BaseRepresentation
bin10110001110101000…
…01011001000001000
31010210200201101011002
423013110023020020
5143420033422112
65252104354132
7601506245252
oct130724131010
933720641132
1011933889032
11507440750a
122390775948
131182558200
14812d2ccd2
1549ca621c2
hex2c750b208

11933889032 has 36 divisors (see below), whose sum is σ = 24237836685. Its totient is φ = 5506094880.

The previous prime is 11933889013. The next prime is 11933889047. The reversal of 11933889032 is 23098833911.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 10203828196 + 1730060836 = 101014^2 + 41594^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=77246.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4015307 + ... + 4018277.

Almost surely, 211933889032 is an apocalyptic number.

It is an amenable number.

11933889032 is an abundant number, since it is smaller than the sum of its proper divisors (12303947653).

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

11933889032 is an frugal number, since it uses more digits than its factorization.

11933889032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5974 (or 2986 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 47.

The spelling of 11933889032 in words is "eleven billion, nine hundred thirty-three million, eight hundred eighty-nine thousand, thirty-two".

Divisors: 1 2 4 8 13 26 52 104 169 338 676 1352 2971 5942 11884 23768 38623 77246 154492 308984 502099 1004198 2008396 4016792 8826841 17653682 35307364 70614728 114748933 229497866 458995732 917991464 1491736129 2983472258 5966944516 11933889032