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1001530001 = 41127192343
BaseRepresentation
bin111011101100100…
…010001010010001
32120210112222212202
4323230202022101
54022342430001
6243214132545
733550602353
oct7354421221
92523488782
101001530001
1147437934a
1223b4b1155
1312c654704
14970290d3
155cdd496b
hex3bb22291

1001530001 has 8 divisors (see below), whose sum is σ = 1034041344. Its totient is φ = 969403680.

The previous prime is 1001529973. The next prime is 1001530007. The reversal of 1001530001 is 1000351001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1001530001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001530007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90965 + ... + 101378.

It is an arithmetic number, because the mean of its divisors is an integer number (129255168).

Almost surely, 21001530001 is an apocalyptic number.

It is an amenable number.

1001530001 is a deficient number, since it is larger than the sum of its proper divisors (32511343).

1001530001 is a wasteful number, since it uses less digits than its factorization.

1001530001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192511.

The product of its (nonzero) digits is 15, while the sum is 11.

The square root of 1001530001 is about 31646.9587954356. The cubic root of 1001530001 is about 1000.5097404539.

Adding to 1001530001 its reverse (1000351001), we get a palindrome (2001881002).

The spelling of 1001530001 in words is "one billion, one million, five hundred thirty thousand, one".

Divisors: 1 41 127 5207 192343 7886063 24427561 1001530001