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61044141205 = 547259762303
BaseRepresentation
bin111000110110100000…
…111010110010010101
312211120021022200012201
4320312200322302111
52000004300004310
644013203444501
74260505432105
oct706640726225
9184507280181
1061044141205
112398590a883
12b9b7686731
1359aab80b18
142d51411205
1518c4252e3a
hexe3683ac95

61044141205 has 8 divisors (see below), whose sum is σ = 74811543552. Its totient is φ = 47796263568.

The previous prime is 61044141181. The next prime is 61044141233. The reversal of 61044141205 is 50214144016.

61044141205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 61044141205 - 29 = 61044140693 is a prime.

It is a Duffinian number.

It is a congruent 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, 129880917 + ... + 129881386.

It is an arithmetic number, because the mean of its divisors is an integer number (9351442944).

Almost surely, 261044141205 is an apocalyptic number.

It is an amenable number.

61044141205 is a deficient number, since it is larger than the sum of its proper divisors (13767402347).

61044141205 is a wasteful number, since it uses less digits than its factorization.

61044141205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259762355.

The product of its (nonzero) digits is 3840, while the sum is 28.

The spelling of 61044141205 in words is "sixty-one billion, forty-four million, one hundred forty-one thousand, two hundred five".

Divisors: 1 5 47 235 259762303 1298811515 12208828241 61044141205