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49978087994 = 2137182401781
BaseRepresentation
bin101110100010111011…
…010001101000111010
311210000001120221000002
4232202323101220322
51304323342303434
634543135513002
73416334511232
oct564273215072
9153001527002
1049978087994
111a21736725a
129829688762
13493636a243
1425c1868cc2
1514779b757e
hexba2ed1a3a

49978087994 has 8 divisors (see below), whose sum is σ = 75514337748. Its totient is φ = 24806642080.

The previous prime is 49978087919. The next prime is 49978088003.

49978087994 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 47251890625 + 2726197369 = 217375^2 + 52213^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91200617 + ... + 91201164.

Almost surely, 249978087994 is an apocalyptic number.

49978087994 is a deficient number, since it is larger than the sum of its proper divisors (25536249754).

49978087994 is a wasteful number, since it uses less digits than its factorization.

49978087994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182401920.

The product of its (nonzero) digits is 329204736, while the sum is 74.

The spelling of 49978087994 in words is "forty-nine billion, nine hundred seventy-eight million, eighty-seven thousand, nine hundred ninety-four".

Divisors: 1 2 137 274 182401781 364803562 24989043997 49978087994