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47881487467 = 114352862497
BaseRepresentation
bin101100100101111101…
…011000010001101011
311120120221110120202201
4230211331120101223
51241030130044332
633555122241031
73313355633242
oct544575302153
9146527416681
1047881487467
1119340940250
1293434b6177
134690b9c808
142463225959
1513a38c25e7
hexb25f5846b

47881487467 has 4 divisors (see below), whose sum is σ = 52234349976. Its totient is φ = 43528624960.

The previous prime is 47881487419. The next prime is 47881487483. The reversal of 47881487467 is 76478418874.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-47881487467 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47881487399 and 47881487408.

It is not an unprimeable number, because it can be changed into a prime (47881487497) by changing a digit.

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, 2176431238 + ... + 2176431259.

It is an arithmetic number, because the mean of its divisors is an integer number (13058587494).

Almost surely, 247881487467 is an apocalyptic number.

47881487467 is a deficient number, since it is larger than the sum of its proper divisors (4352862509).

47881487467 is a wasteful number, since it uses less digits than its factorization.

47881487467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4352862508.

The product of its digits is 67436544, while the sum is 64.

The spelling of 47881487467 in words is "forty-seven billion, eight hundred eighty-one million, four hundred eighty-seven thousand, four hundred sixty-seven".

Divisors: 1 11 4352862497 47881487467