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42427966829 = 431138731831
BaseRepresentation
bin100111100000111001…
…110110010101101101
311001111212201000211212
4213200321312111231
51143343024414304
631254030324205
73031255524203
oct474071662555
9131455630755
1042427966829
1116aa25324a6
128281059665
1340020b0921
1420a6c2b073
151184c3466e
hex9e0e7656d

42427966829 has 8 divisors (see below), whose sum is σ = 43798869312. Its totient is φ = 41074528320.

The previous prime is 42427966811. The next prime is 42427966849. The reversal of 42427966829 is 92866972424.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42427966829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42427966849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4361057 + ... + 4370774.

It is an arithmetic number, because the mean of its divisors is an integer number (5474858664).

Almost surely, 242427966829 is an apocalyptic number.

It is an amenable number.

42427966829 is a deficient number, since it is larger than the sum of its proper divisors (1370902483).

42427966829 is a wasteful number, since it uses less digits than its factorization.

42427966829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8731987.

The product of its digits is 20901888, while the sum is 59.

The spelling of 42427966829 in words is "forty-two billion, four hundred twenty-seven million, nine hundred sixty-six thousand, eight hundred twenty-nine".

Divisors: 1 43 113 4859 8731831 375468733 986696903 42427966829