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1233130001 = 1964901579
BaseRepresentation
bin100100110000000…
…0001001000010001
310011221100111100112
41021200001020101
510011140130001
6322210131105
742362301125
oct11140011021
93157314315
101233130001
11583084904
122a4b80a95
1316862402c
14b9ab5585
15733d1cbb
hex49801211

1233130001 has 4 divisors (see below), whose sum is σ = 1298031600. Its totient is φ = 1168228404.

The previous prime is 1233129991. The next prime is 1233130007. The reversal of 1233130001 is 1000313321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1000313321 = 7142901903.

It is a cyclic number.

It is not a de Polignac number, because 1233130001 - 210 = 1233128977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1233130007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32450771 + ... + 32450808.

It is an arithmetic number, because the mean of its divisors is an integer number (324507900).

Almost surely, 21233130001 is an apocalyptic number.

It is an amenable number.

1233130001 is a deficient number, since it is larger than the sum of its proper divisors (64901599).

1233130001 is an equidigital number, since it uses as much as digits as its factorization.

1233130001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64901598.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1233130001 is about 35115.9508058660. The cubic root of 1233130001 is about 1072.3493378741.

Adding to 1233130001 its reverse (1000313321), we get a palindrome (2233443322).

The spelling of 1233130001 in words is "one billion, two hundred thirty-three million, one hundred thirty thousand, one".

Divisors: 1 19 64901579 1233130001