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87691075697008 = 2476311124062119
BaseRepresentation
bin10011111100000100101011…
…011010101011100101110000
3102111111011222211122211111201
4103330010223122223211300
542443212310334301013
6510300420220420544
724320320413645160
oct2374045332534560
9374434884584451
1087691075697008
1125a39638147163
129a0314b9a7754
1339c1304a5c104
1417923b0b825a0
15a210a59b73dd
hex4fc12b6ab970

87691075697008 has 40 divisors (see below), whose sum is σ = 194203865157120. Its totient is φ = 37575934299840.

The previous prime is 87691075697003. The next prime is 87691075697039. The reversal of 87691075697008 is 80079657019678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87691075697003) 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, 61324228 + ... + 62737891.

It is an arithmetic number, because the mean of its divisors is an integer number (4855096628928).

Almost surely, 287691075697008 is an apocalyptic number.

It is an amenable number.

87691075697008 is an abundant number, since it is smaller than the sum of its proper divisors (106512789460112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87691075697008 is a wasteful number, since it uses less digits than its factorization.

87691075697008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124068445 (or 124068439 counting only the distinct ones).

The product of its (nonzero) digits is 320060160, while the sum is 73.

The spelling of 87691075697008 in words is "eighty-seven trillion, six hundred ninety-one billion, seventy-five million, six hundred ninety-seven thousand, eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 6311 12622 25244 44177 50488 88354 100976 176708 353416 706832 124062119 248124238 496248476 868434833 992496952 1736869666 1984993904 3473739332 6947478664 13894957328 782956033009 1565912066018 3131824132036 5480692231063 6263648264072 10961384462126 12527296528144 21922768924252 43845537848504 87691075697008