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42102330461 = 2316987107761
BaseRepresentation
bin100111001101011111…
…101001010001011101
311000200011221222201122
4213031133221101131
51142211144033321
631201435020325
73020222622062
oct471537512135
9130604858648
1042102330461
1116945739034
1281abb9a6a5
133c7c7a8099
1420758a2c69
15116635e8ab
hex9cd7e945d

42102330461 has 8 divisors (see below), whose sum is σ = 43935860544. Its totient is φ = 40269049920.

The previous prime is 42102330437. The next prime is 42102330467. The reversal of 42102330461 is 16403320124.

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

It is a cyclic number.

It is not a de Polignac number, because 42102330461 - 214 = 42102314077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42102330461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42102330467) 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, 336821 + ... + 444581.

It is an arithmetic number, because the mean of its divisors is an integer number (5491982568).

Almost surely, 242102330461 is an apocalyptic number.

It is an amenable number.

42102330461 is a deficient number, since it is larger than the sum of its proper divisors (1833530083).

42102330461 is a wasteful number, since it uses less digits than its factorization.

42102330461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124771.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 42102330461 its reverse (16403320124), we get a palindrome (58505650585).

The spelling of 42102330461 in words is "forty-two billion, one hundred two million, three hundred thirty thousand, four hundred sixty-one".

Divisors: 1 23 16987 107761 390701 2478503 1830536107 42102330461