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1351332001 = 1606384127
BaseRepresentation
bin101000010001011…
…1011000010100001
310111011202210000101
41100202323002201
510231420111001
6342031422401
745326063305
oct12042730241
93434683011
101351332001
11633878808
12318684a01
13186c6b746
14cb683d05
157d97ea01
hex508bb0a1

1351332001 has 4 divisors (see below), whose sum is σ = 1351432192. Its totient is φ = 1351231812.

The previous prime is 1351331959. The next prime is 1351332029. The reversal of 1351332001 is 1002331531.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1002331531 = 9371106961.

It is a cyclic number.

It is not a de Polignac number, because 1351332001 - 211 = 1351329953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1351332001.

It is not an unprimeable number, because it can be changed into a prime (1351332071) 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, 26001 + ... + 58126.

It is an arithmetic number, because the mean of its divisors is an integer number (337858048).

Almost surely, 21351332001 is an apocalyptic number.

It is an amenable number.

1351332001 is a deficient number, since it is larger than the sum of its proper divisors (100191).

1351332001 is an equidigital number, since it uses as much as digits as its factorization.

1351332001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100190.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 1351332001 is about 36760.4679105150. The cubic root of 1351332001 is about 1105.5728214900.

Adding to 1351332001 its reverse (1002331531), we get a palindrome (2353663532).

The spelling of 1351332001 in words is "one billion, three hundred fifty-one million, three hundred thirty-two thousand, one".

Divisors: 1 16063 84127 1351332001