Search a number
-
+
213900817173914 = 2138226954506689
BaseRepresentation
bin110000101000101010101010…
…001110011000110110011010
31001001100201101201120101221202
4300220222222032120312122
5211014022333144031124
62034532402344234202
763024552436612043
oct6050525216306632
91031321351511852
10213900817173914
1162178910a03782
121bba74b2a6b962
1392479b6aba250
143ab6bd778b8ca
1519ae0b786d5ae
hexc28aaa398d9a

213900817173914 has 8 divisors (see below), whose sum is σ = 345532089280980. Its totient is φ = 98723454080256.

The previous prime is 213900817173871. The next prime is 213900817173917. The reversal of 213900817173914 is 419371718009312.

It can be written as a sum of positive squares in 2 ways, for example, as 205980391968289 + 7920425205625 = 14352017^2 + 2814325^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 213900817173914.

It is not an unprimeable number, because it can be changed into a prime (213900817173917) 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, 4113477253319 + ... + 4113477253370.

Almost surely, 2213900817173914 is an apocalyptic number.

213900817173914 is a deficient number, since it is larger than the sum of its proper divisors (131631272107066).

213900817173914 is a wasteful number, since it uses less digits than its factorization.

213900817173914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8226954506704.

The product of its (nonzero) digits is 2286144, while the sum is 56.

The spelling of 213900817173914 in words is "two hundred thirteen trillion, nine hundred billion, eight hundred seventeen million, one hundred seventy-three thousand, nine hundred fourteen".

Divisors: 1 2 13 26 8226954506689 16453909013378 106950408586957 213900817173914