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42070786742 = 254881383291
BaseRepresentation
bin100111001011100111…
…010100001010110110
311000120222121101212202
4213023213110022312
51142130110133432
631154350544502
73016360533635
oct471347241266
9130528541782
1042070786742
1116929953846
1281a1508132
133c760b256a
14207161151c
1511636cd462
hex9cb9d42b6

42070786742 has 8 divisors (see below), whose sum is σ = 63107494632. Its totient is φ = 21034955200.

The previous prime is 42070786733. The next prime is 42070786757. The reversal of 42070786742 is 24768707024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×420707867423 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 81884 + ... + 301407.

It is an arithmetic number, because the mean of its divisors is an integer number (7888436829).

Almost surely, 242070786742 is an apocalyptic number.

42070786742 is a deficient number, since it is larger than the sum of its proper divisors (21036707890).

42070786742 is a wasteful number, since it uses less digits than its factorization.

42070786742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438174.

The product of its (nonzero) digits is 1053696, while the sum is 47.

The spelling of 42070786742 in words is "forty-two billion, seventy million, seven hundred eighty-six thousand, seven hundred forty-two".

Divisors: 1 2 54881 109762 383291 766582 21035393371 42070786742