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61280221422212 = 22137127851595961
BaseRepresentation
bin11011110111011111010011…
…10101000110001010000100
322000222022221222212010010022
431323233221311012022010
531013003343141002322
6334155424534314312
715623231004452042
oct1573575165061204
9260868858763108
1061280221422212
111858688346a041
126a586261b8998
132826914115b60
14111bd9b197392
1571408c3e8942
hex37bbe9d46284

61280221422212 has 48 divisors (see below), whose sum is σ = 117120664450944. Its totient is φ = 27883776480000.

The previous prime is 61280221422193. The next prime is 61280221422229. The reversal of 61280221422212 is 21222412208216.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102527912 + ... + 103123872.

It is an arithmetic number, because the mean of its divisors is an integer number (2440013842728).

Almost surely, 261280221422212 is an apocalyptic number.

It is an amenable number.

61280221422212 is a deficient number, since it is larger than the sum of its proper divisors (55840443028732).

61280221422212 is a wasteful number, since it uses less digits than its factorization.

61280221422212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623900 (or 623898 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The spelling of 61280221422212 in words is "sixty-one trillion, two hundred eighty billion, two hundred twenty-one million, four hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 13 26 52 71 142 284 923 1846 3692 27851 55702 111404 362063 595961 724126 1191922 1448252 1977421 2383844 3954842 7747493 7909684 15494986 25706473 30989972 42313231 51412946 84626462 102825892 169252924 550072003 1100144006 2200288012 16598109811 33196219622 66392439244 215775427543 431550855086 863101710172 1178465796581 2356931593162 4713863186324 15320055355553 30640110711106 61280221422212