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130187750 = 2537116763
BaseRepresentation
bin1111100001010…
…00000111100110
3100001222020000112
413300220013212
5231312002000
620530213022
73140402060
oct760500746
9301866015
10130187750
116753aa90
1237724172
1320c83094
141340c730
15b669235
hex7c281e6

130187750 has 64 divisors (see below), whose sum is σ = 303892992. Its totient is φ = 40572000.

The previous prime is 130187749. The next prime is 130187773. The reversal of 130187750 is 57781031.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15869 + ... + 22631.

It is an arithmetic number, because the mean of its divisors is an integer number (4748328).

Almost surely, 2130187750 is an apocalyptic number.

130187750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130187750 is an abundant number, since it is smaller than the sum of its proper divisors (173705242).

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

130187750 is a wasteful number, since it uses less digits than its factorization.

130187750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6798 (or 6788 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 130187750 is about 11409.9846625664. The cubic root of 130187750 is about 506.8234572656.

The spelling of 130187750 in words is "one hundred thirty million, one hundred eighty-seven thousand, seven hundred fifty".

Divisors: 1 2 5 7 10 11 14 22 25 35 50 55 70 77 110 125 154 175 250 275 350 385 550 770 875 1375 1750 1925 2750 3850 6763 9625 13526 19250 33815 47341 67630 74393 94682 148786 169075 236705 338150 371965 473410 520751 743930 845375 1041502 1183525 1690750 1859825 2367050 2603755 3719650 5207510 5917625 9299125 11835250 13018775 18598250 26037550 65093875 130187750