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87494050542 = 23232272793017
BaseRepresentation
bin101000101111100001…
…1010100001011101110
322100211121111021201110
41101133003110023232
52413141434104132
6104105541052450
76215120105313
oct1213703241356
9270747437643
1087494050542
1134119124188
1214b596b7126
1383348bbb52
14434017cd0a
1524213781cc
hex145f0d42ee

87494050542 has 32 divisors (see below), whose sum is σ = 183400733952. Its totient is φ = 27773751104.

The previous prime is 87494050489. The next prime is 87494050543. The reversal of 87494050542 is 24505049478.

It is a junction number, because it is equal to n+sod(n) for n = 87494050491 and 87494050500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87494050543) 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 15 ways as a sum of consecutive naturals, for example, 1365183 + ... + 1427834.

It is an arithmetic number, because the mean of its divisors is an integer number (5731272936).

Almost surely, 287494050542 is an apocalyptic number.

87494050542 is an abundant number, since it is smaller than the sum of its proper divisors (95906683410).

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

87494050542 is a wasteful number, since it uses less digits than its factorization.

87494050542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2793272.

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 87494050542 in words is "eighty-seven billion, four hundred ninety-four million, fifty thousand, five hundred forty-two".

Divisors: 1 2 3 6 23 46 69 138 227 454 681 1362 5221 10442 15663 31326 2793017 5586034 8379051 16758102 64239391 128478782 192718173 385436346 634014859 1268029718 1902044577 3804089154 14582341757 29164683514 43747025271 87494050542