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7842686061 = 37373461241
BaseRepresentation
bin1110100110111010…
…11110010001101101
3202020120101201202010
413103131132101231
5112030211423221
63334115551433
7365230505640
oct72335362155
922216351663
107842686061
113364aa0131
12162a5bb579
1397ca83152
14545837a57
1530d7c3c76
hex1d375e46d

7842686061 has 8 divisors (see below), whose sum is σ = 11950759744. Its totient is φ = 4481534880.

The previous prime is 7842686029. The next prime is 7842686081. The reversal of 7842686061 is 1606862487.

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

It is not a de Polignac number, because 7842686061 - 25 = 7842686029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7842686061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7842686081) 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, 186730600 + ... + 186730641.

It is an arithmetic number, because the mean of its divisors is an integer number (1493844968).

Almost surely, 27842686061 is an apocalyptic number.

It is an amenable number.

7842686061 is a deficient number, since it is larger than the sum of its proper divisors (4108073683).

7842686061 is a wasteful number, since it uses less digits than its factorization.

7842686061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373461251.

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 7842686061 is about 88558.9411691445. The cubic root of 7842686061 is about 1986.8036244253.

The spelling of 7842686061 in words is "seven billion, eight hundred forty-two million, six hundred eighty-six thousand, sixty-one".

Divisors: 1 3 7 21 373461241 1120383723 2614228687 7842686061