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7428672001 = 70391055359
BaseRepresentation
bin1101110101100100…
…01000101000000001
3201011201100122020001
412322302020220001
5110203220001001
63225050120001
7352042445602
oct67262105001
921151318201
107428672001
113172323253
121533a20001
13915075c0a
14506865da9
152d7293001
hex1bac88a01

7428672001 has 4 divisors (see below), whose sum is σ = 7429734400. Its totient is φ = 7427609604.

The previous prime is 7428671941. The next prime is 7428672007. The reversal of 7428672001 is 1002768247.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7428672001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7428672007) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 520641 + ... + 534718.

It is an arithmetic number, because the mean of its divisors is an integer number (1857433600).

Almost surely, 27428672001 is an apocalyptic number.

It is an amenable number.

7428672001 is a deficient number, since it is larger than the sum of its proper divisors (1062399).

7428672001 is a wasteful number, since it uses less digits than its factorization.

7428672001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062398.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 7428672001 is about 86189.7441752788. The cubic root of 7428672001 is about 1951.2087181579.

The spelling of 7428672001 in words is "seven billion, four hundred twenty-eight million, six hundred seventy-two thousand, one".

Divisors: 1 7039 1055359 7428672001