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61442546962 = 230721273481
BaseRepresentation
bin111001001110010000…
…101101110100010010
312212121000222210011111
4321032100231310102
52001313243000322
644120515003534
74303414013656
oct711620556422
9185530883144
1061442546962
112406a796a35
12baa8b995aa
135a42584884
142d8c2bca66
1518e91ee177
hexe4e42dd12

61442546962 has 4 divisors (see below), whose sum is σ = 92163820446. Its totient is φ = 30721273480.

The previous prime is 61442546947. The next prime is 61442547017. The reversal of 61442546962 is 26964524416.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 33342394801 + 28100152161 = 182599^2 + 167631^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15360636739 + ... + 15360636742.

Almost surely, 261442546962 is an apocalyptic number.

61442546962 is a deficient number, since it is larger than the sum of its proper divisors (30721273484).

61442546962 is a wasteful number, since it uses less digits than its factorization.

61442546962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30721273483.

The product of its digits is 2488320, while the sum is 49.

The spelling of 61442546962 in words is "sixty-one billion, four hundred forty-two million, five hundred forty-six thousand, nine hundred sixty-two".

Divisors: 1 2 30721273481 61442546962