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87724838049 = 3150919193757
BaseRepresentation
bin101000110110011001…
…1101100110010100001
322101102200202111122220
41101230303230302201
52414130024304144
6104144503421253
76223621551222
oct1215463546241
9271380674586
1087724838049
1134227425262
1215002a54829
1383706656c4
144362a97249
152436764919
hex146ccecca1

87724838049 has 8 divisors (see below), whose sum is σ = 116967829440. Its totient is φ = 58482536016.

The previous prime is 87724838021. The next prime is 87724838057. The reversal of 87724838049 is 94083842778.

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

It is not a de Polignac number, because 87724838049 - 28 = 87724837793 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 87724837983 and 87724838001.

It is not an unprimeable number, because it can be changed into a prime (87724848049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355879 + ... + 549635.

It is an arithmetic number, because the mean of its divisors is an integer number (14620978680).

Almost surely, 287724838049 is an apocalyptic number.

It is an amenable number.

87724838049 is a deficient number, since it is larger than the sum of its proper divisors (29242991391).

87724838049 is a wasteful number, since it uses less digits than its factorization.

87724838049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344679.

The product of its (nonzero) digits is 21676032, while the sum is 60.

The spelling of 87724838049 in words is "eighty-seven billion, seven hundred twenty-four million, eight hundred thirty-eight thousand, forty-nine".

Divisors: 1 3 150919 193757 452757 581271 29241612683 87724838049