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42000132664 = 237823911303
BaseRepresentation
bin100111000111011001…
…110010101000111000
311000102001122210201001
4213013121302220320
51142004013221124
631143344334344
73014542144240
oct470731625070
9130361583631
1042000132664
11168a2a86346
1281819143b4
133c64575109
14206609cb20
15115c3c3b44
hex9c7672a38

42000132664 has 32 divisors (see below), whose sum is σ = 90109739520. Its totient is φ = 17978165856.

The previous prime is 42000132637. The next prime is 42000132679. The reversal of 42000132664 is 46623100024.

42000132664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×420001326642 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409564 + ... + 501739.

It is an arithmetic number, because the mean of its divisors is an integer number (2815929360).

Almost surely, 242000132664 is an apocalyptic number.

It is an amenable number.

42000132664 is an abundant number, since it is smaller than the sum of its proper divisors (48109606856).

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

42000132664 is a wasteful number, since it uses less digits than its factorization.

42000132664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912139 (or 912135 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 42000132664 its reverse (46623100024), we get a palindrome (88623232688).

The spelling of 42000132664 in words is "forty-two billion, one hundred thirty-two thousand, six hundred sixty-four".

Divisors: 1 2 4 7 8 14 28 56 823 1646 3292 5761 6584 11522 23044 46088 911303 1822606 3645212 6379121 7290424 12758242 25516484 51032968 750002369 1500004738 3000009476 5250016583 6000018952 10500033166 21000066332 42000132664