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87474088208 = 2413420548501
BaseRepresentation
bin101000101110111011…
…1001010100100010000
322100210012221002112202
41101131313022210100
52413121331310313
6104103545142332
76214455324143
oct1213567124420
9270705832482
1087474088208
113410892a191
1214b52a8a9a8
13833071c910
14433b66405a
15241e733558
hex145ddca910

87474088208 has 20 divisors (see below), whose sum is σ = 182518049868. Its totient is φ = 40372656000.

The previous prime is 87474088127. The next prime is 87474088241. The reversal of 87474088208 is 80288047478.

It can be written as a sum of positive squares in 2 ways, for example, as 18477508624 + 68996579584 = 135932^2 + 262672^2 .

It is a super-2 number, since 2×874740882082 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210274043 + ... + 210274458.

Almost surely, 287474088208 is an apocalyptic number.

It is an amenable number.

87474088208 is an abundant number, since it is smaller than the sum of its proper divisors (95043961660).

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

87474088208 is a wasteful number, since it uses less digits than its factorization.

87474088208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420548522 (or 420548516 counting only the distinct ones).

The product of its (nonzero) digits is 6422528, while the sum is 56.

The spelling of 87474088208 in words is "eighty-seven billion, four hundred seventy-four million, eighty-eight thousand, two hundred eight".

Divisors: 1 2 4 8 13 16 26 52 104 208 420548501 841097002 1682194004 3364388008 5467130513 6728776016 10934261026 21868522052 43737044104 87474088208