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662107622401 = 5122912924469
BaseRepresentation
bin10011010001010001011…
…00001000110000000001
32100022000102022011122101
421220220230020300001
541321444022404101
61224100144110401
765556433634311
oct11505054106001
92308012264571
10662107622401
11235886545555
12a83a2605401
134a589c43b34
1424090a09441
1512352641401
hex9a28b08c01

662107622401 has 4 divisors (see below), whose sum is σ = 662120598100. Its totient is φ = 662094646704.

The previous prime is 662107622377. The next prime is 662107622443. The reversal of 662107622401 is 104226701266.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104226701266 = 252113350633.

It can be written as a sum of positive squares in 2 ways, for example, as 220914100225 + 441193522176 = 470015^2 + 664224^2 .

It is a cyclic number.

It is not a de Polignac number, because 662107622401 - 27 = 662107622273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662104622401) 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, 6411006 + ... + 6513463.

It is an arithmetic number, because the mean of its divisors is an integer number (165530149525).

Almost surely, 2662107622401 is an apocalyptic number.

It is an amenable number.

662107622401 is a deficient number, since it is larger than the sum of its proper divisors (12975699).

662107622401 is a wasteful number, since it uses less digits than its factorization.

662107622401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12975698.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 662107622401 in words is "six hundred sixty-two billion, one hundred seven million, six hundred twenty-two thousand, four hundred one".

Divisors: 1 51229 12924469 662107622401