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187112531088 = 2435719596133
BaseRepresentation
bin1010111001000011000…
…1101010010010010000
3122212222012020102200000
42232100301222102100
511031201301443323
6221542554530000
716342552162230
oct2562061522220
9585865212600
10187112531088
117239916704a
123031b736900
131484c35a922
1490b0689cc0
154d01d4ee43
hex2b90c6a490

187112531088 has 480 divisors, whose sum is σ = 664474137600. Its totient is φ = 49780459008.

The previous prime is 187112530963. The next prime is 187112531167. The reversal of 187112531088 is 880135211781.

It is a super-2 number, since 2×1871125310882 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 30506070 + ... + 30512202.

It is an arithmetic number, because the mean of its divisors is an integer number (1384321120).

Almost surely, 2187112531088 is an apocalyptic number.

187112531088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 187112531088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332237068800).

187112531088 is an abundant number, since it is smaller than the sum of its proper divisors (477361606512).

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

187112531088 is a wasteful number, since it uses less digits than its factorization.

187112531088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6241 (or 6223 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 45.

The spelling of 187112531088 in words is "one hundred eighty-seven billion, one hundred twelve million, five hundred thirty-one thousand, eighty-eight".