Search a number
-
+
42660606042220 = 22513568991571989
BaseRepresentation
bin10011011001100101100100…
…10001001110000001101100
312121001022110222120212011011
421230302302101032001230
521042422410121322340
6230422002321235004
711662061405210335
oct1154626221160154
9177038428525134
1042660606042220
1112658296a50a51
12494bab2792a64
131aa5b5494937a
14a76ada37d28c
154dea785cd0ea
hex26ccb244e06c

42660606042220 has 24 divisors (see below), whose sum is σ = 89587395702000. Its totient is φ = 17064218985792.

The previous prime is 42660606042163. The next prime is 42660606042287. The reversal of 42660606042220 is 2224060606624.

It is a happy 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, 26351986 + ... + 27923974.

It is an arithmetic number, because the mean of its divisors is an integer number (3732808154250).

Almost surely, 242660606042220 is an apocalyptic number.

It is an amenable number.

42660606042220 is an abundant number, since it is smaller than the sum of its proper divisors (46926789659780).

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

42660606042220 is a wasteful number, since it uses less digits than its factorization.

42660606042220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928897 (or 2928895 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 40.

Adding to 42660606042220 its reverse (2224060606624), we get a palindrome (44884666648844).

The spelling of 42660606042220 in words is "forty-two trillion, six hundred sixty billion, six hundred six million, forty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1356899 1571989 2713798 3143978 5427596 6287956 6784495 7859945 13568990 15719890 27137980 31439780 2133030302111 4266060604222 8532121208444 10665151510555 21330303021110 42660606042220