Search a number
-
+
1010231530 = 2572112329281
BaseRepresentation
bin111100001101101…
…110100011101010
32121101221002010121
4330031232203222
54032104402110
6244124433454
734014553300
oct7415564352
92541832117
101010231530
114792819a0
122423a888a
131313b0249
1498252270
155da52cda
hex3c36e8ea

1010231530 has 192 divisors, whose sum is σ = 2499828480. Its totient is φ = 289766400.

The previous prime is 1010231491. The next prime is 1010231557. The reversal of 1010231530 is 351320101.

It is a super-2 number, since 2×10102315302 = 2041135488412281800, which 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 95 ways as a sum of consecutive naturals, for example, 3594990 + ... + 3595270.

It is an arithmetic number, because the mean of its divisors is an integer number (13019940).

Almost surely, 21010231530 is an apocalyptic number.

1010231530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1010231530 is an abundant number, since it is smaller than the sum of its proper divisors (1489596950).

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

1010231530 is a wasteful number, since it uses less digits than its factorization.

1010231530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1010231530 is about 31784.1395982336. The cubic root of 1010231530 is about 1003.3989440899.

Adding to 1010231530 its reverse (351320101), we get a palindrome (1361551631).

The spelling of 1010231530 in words is "one billion, ten million, two hundred thirty-one thousand, five hundred thirty".