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7142422437 = 329773911071
BaseRepresentation
bin1101010011011100…
…01011011110100101
3200102202201122122100
412221232023132211
5104111430004222
63140422522313
7341665406013
oct65156133645
920382648570
107142422437
113035790767
121473b96399
1389a980a87
144ba8318b3
152bc09d4ac
hex1a9b8b7a5

7142422437 has 24 divisors (see below), whose sum is σ = 10438238720. Its totient is φ = 4705724160.

The previous prime is 7142422409. The next prime is 7142422457. The reversal of 7142422437 is 7342242417.

7142422437 is a `hidden beast` number, since 7 + 1 + 424 + 224 + 3 + 7 = 666.

It is not a de Polignac number, because 7142422437 - 210 = 7142421413 is a prime.

It is a super-2 number, since 2×71424224372 (a number of 21 digits) 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 (7142422457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 639612 + ... + 650682.

Almost surely, 27142422437 is an apocalyptic number.

It is an amenable number.

7142422437 is a deficient number, since it is larger than the sum of its proper divisors (3295816283).

7142422437 is a wasteful number, since it uses less digits than its factorization.

7142422437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11913 (or 11910 counting only the distinct ones).

The product of its digits is 75264, while the sum is 36.

The square root of 7142422437 is about 84512.8536791889. The cubic root of 7142422437 is about 1925.8177163044.

The spelling of 7142422437 in words is "seven billion, one hundred forty-two million, four hundred twenty-two thousand, four hundred thirty-seven".

Divisors: 1 3 9 97 291 739 873 2217 6651 11071 33213 71683 99639 215049 645147 1073887 3221661 8181469 9664983 24544407 73633221 793602493 2380807479 7142422437