Search a number
-
+
1001131032 = 2331116132351
BaseRepresentation
bin111011101011000…
…000110000011000
32120202210201121010
4323223000300120
54022242143112
6243201413520
733544321236
oct7353006030
92522721533
101001131032
11474126620
1223b33a2a0
1312c544c35
1496d63956
155cd5663c
hex3bac0c18

1001131032 has 64 divisors (see below), whose sum is σ = 2733212160. Its totient is φ = 303056000.

The previous prime is 1001131013. The next prime is 1001131049. The reversal of 1001131032 is 2301311001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1001130999 and 1001131017.

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 15 ways as a sum of consecutive naturals, for example, 424657 + ... + 427007.

It is an arithmetic number, because the mean of its divisors is an integer number (42706440).

Almost surely, 21001131032 is an apocalyptic number.

1001131032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1001131032 is an abundant number, since it is smaller than the sum of its proper divisors (1732081128).

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

1001131032 is a wasteful number, since it uses less digits than its factorization.

1001131032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3984 (or 3980 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1001131032 is about 31640.6547340601. The cubic root of 1001131032 is about 1000.3768686189.

Adding to 1001131032 its reverse (2301311001), we get a palindrome (3302442033).

The spelling of 1001131032 in words is "one billion, one million, one hundred thirty-one thousand, thirty-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 1613 2351 3226 4702 4839 6452 7053 9404 9678 12904 14106 17743 18808 19356 25861 28212 35486 38712 51722 53229 56424 70972 77583 103444 106458 141944 155166 206888 212916 310332 425832 620664 3792163 7584326 11376489 15168652 22752978 30337304 41713793 45505956 83427586 91011912 125141379 166855172 250282758 333710344 500565516 1001131032