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305341412010661 = 1364372750245477
BaseRepresentation
bin100010101101101001101011…
…0011001011110101010100101
31111001010100112222222212000001
41011123103112121132222211
5310010203202433320121
63001223524101021301
7121213121556443545
oct10533232631365245
91431110488885001
10305341412010661
1189322624933884
122a2b52650b4831
131014b757a727b0
145558863249325
15254796e18e991
hex115b4d665eaa5

305341412010661 has 16 divisors (see below), whose sum is σ = 329793631183744. Its totient is φ = 281028172797504.

The previous prime is 305341412010659. The next prime is 305341412010751. The reversal of 305341412010661 is 166010214143503.

It is a cyclic number.

It is not a de Polignac number, because 305341412010661 - 21 = 305341412010659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 305341412010661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305341412010601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19045746 + ... + 31199731.

It is an arithmetic number, because the mean of its divisors is an integer number (20612101948984).

Almost surely, 2305341412010661 is an apocalyptic number.

It is an amenable number.

305341412010661 is a deficient number, since it is larger than the sum of its proper divisors (24452219173083).

305341412010661 is a wasteful number, since it uses less digits than its factorization.

305341412010661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50246860.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 305341412010661 in words is "three hundred five trillion, three hundred forty-one billion, four hundred twelve million, ten thousand, six hundred sixty-one".

Divisors: 1 13 643 727 8359 9451 467461 6076993 50245477 653191201 32307841711 36528461779 420001942243 474870003127 23487800923897 305341412010661