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487081634146 = 2243540817073
BaseRepresentation
bin1110001011010000101…
…00111110100101100010
31201120020120000201202221
413011220110332211202
530440020344243041
61011432345501254
750122223402212
oct7055024764542
91646216021687
10487081634146
1117862a97aa88
127a4967a182a
1336c1595c203
1419809668242
15ca0b9592d1
hex716853e962

487081634146 has 4 divisors (see below), whose sum is σ = 730622451222. Its totient is φ = 243540817072.

The previous prime is 487081634089. The next prime is 487081634243. The reversal of 487081634146 is 641436180784.

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., 411536363121 + 75545271025 = 641511^2 + 274855^2 .

It is a junction number, because it is equal to n+sod(n) for n = 487081634093 and 487081634102.

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 as a sum of consecutive naturals, namely, 121770408535 + ... + 121770408538.

Almost surely, 2487081634146 is an apocalyptic number.

487081634146 is a deficient number, since it is larger than the sum of its proper divisors (243540817076).

487081634146 is a wasteful number, since it uses less digits than its factorization.

487081634146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243540817075.

The product of its (nonzero) digits is 3096576, while the sum is 52.

The spelling of 487081634146 in words is "four hundred eighty-seven billion, eighty-one million, six hundred thirty-four thousand, one hundred forty-six".

Divisors: 1 2 243540817073 487081634146