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61075480678 = 2171796337667
BaseRepresentation
bin111000111000011000…
…011110000001100110
312211122110021212212221
4320320120132001212
52000040310340203
644020243302554
74261336006612
oct707030360146
9184573255787
1061075480678
11239a1575673
12ba0607aa5a
1359b45046a4
142d5564c342
1518c6d93abd
hexe3861e066

61075480678 has 8 divisors (see below), whose sum is σ = 97002234072. Its totient is φ = 28741402656.

The previous prime is 61075480673. The next prime is 61075480691. The reversal of 61075480678 is 87608457016.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61075480673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 898168800 + ... + 898168867.

It is an arithmetic number, because the mean of its divisors is an integer number (12125279259).

Almost surely, 261075480678 is an apocalyptic number.

61075480678 is a deficient number, since it is larger than the sum of its proper divisors (35926753394).

61075480678 is a wasteful number, since it uses less digits than its factorization.

61075480678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796337686.

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 61075480678 in words is "sixty-one billion, seventy-five million, four hundred eighty thousand, six hundred seventy-eight".

Divisors: 1 2 17 34 1796337667 3592675334 30537740339 61075480678