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101151530 = 25173171877
BaseRepresentation
bin1100000011101…
…11001100101010
321001100000210222
412001313030222
5201343322110
614012010042
72335526264
oct601671452
9231300728
10101151530
1152108707
1229a60922
1317c5799c
14d610b34
158d30c55
hex607732a

101151530 has 32 divisors (see below), whose sum is σ = 193494096. Its totient is φ = 37940224.

The previous prime is 101151529. The next prime is 101151553. The reversal of 101151530 is 35151101.

It can be written as a sum of positive squares in 8 ways, for example, as 37295449 + 63856081 = 6107^2 + 7991^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 101151499 and 101151508.

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 15 ways as a sum of consecutive naturals, for example, 52952 + ... + 54828.

Almost surely, 2101151530 is an apocalyptic number.

101151530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101151530 is a deficient number, since it is larger than the sum of its proper divisors (92342566).

101151530 is a wasteful number, since it uses less digits than its factorization.

101151530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218.

The product of its (nonzero) digits is 75, while the sum is 17.

The square root of 101151530 is about 10057.4116948646. The cubic root of 101151530 is about 465.9337309904.

The spelling of 101151530 in words is "one hundred one million, one hundred fifty-one thousand, five hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 317 634 1585 1877 3170 3754 5389 9385 10778 18770 26945 31909 53890 63818 159545 319090 595009 1190018 2975045 5950090 10115153 20230306 50575765 101151530