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162401693093 = 450533604681
BaseRepresentation
bin1001011100111111100…
…1010010110110100101
3120112012001102210112222
42113033321102312211
510130044313134333
6202334543522125
714506315420613
oct2271771226645
9515161383488
10162401693093
1162968581792
1227583bb9345
13124119c90b3
147c088946b3
15435774a298
hex25cfe52da5

162401693093 has 4 divisors (see below), whose sum is σ = 162405342828. Its totient is φ = 162398043360.

The previous prime is 162401693087. The next prime is 162401693099. The reversal of 162401693093 is 390396104261.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (162401693087) and next prime (162401693099).

It can be written as a sum of positive squares in 2 ways, for example, as 135337165924 + 27064527169 = 367882^2 + 164513^2 .

It is a cyclic number.

It is not a de Polignac number, because 162401693093 - 222 = 162397498789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162401693099) 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, 1757288 + ... + 1847393.

It is an arithmetic number, because the mean of its divisors is an integer number (40601335707).

Almost surely, 2162401693093 is an apocalyptic number.

It is an amenable number.

162401693093 is a deficient number, since it is larger than the sum of its proper divisors (3649735).

162401693093 is an equidigital number, since it uses as much as digits as its factorization.

162401693093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3649734.

The product of its (nonzero) digits is 209952, while the sum is 44.

The spelling of 162401693093 in words is "one hundred sixty-two billion, four hundred one million, six hundred ninety-three thousand, ninety-three".

Divisors: 1 45053 3604681 162401693093