Search a number
-
+
53400758693 = 192810566247
BaseRepresentation
bin110001101110111011…
…101110100110100101
312002211120221121112112
4301232323232212211
51333331043234233
640310523330405
73600214650062
oct615673564645
9162746847475
1053400758693
1120713377427
12a423980a05
13506049cc89
142828257c69
1515c81ec048
hexc6eeee9a5

53400758693 has 4 divisors (see below), whose sum is σ = 56211324960. Its totient is φ = 50590192428.

The previous prime is 53400758651. The next prime is 53400758701. The reversal of 53400758693 is 39685700435.

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 not a de Polignac number, because 53400758693 - 214 = 53400742309 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 (53400758633) 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, 1405283105 + ... + 1405283142.

It is an arithmetic number, because the mean of its divisors is an integer number (14052831240).

Almost surely, 253400758693 is an apocalyptic number.

It is an amenable number.

53400758693 is a deficient number, since it is larger than the sum of its proper divisors (2810566267).

53400758693 is a wasteful number, since it uses less digits than its factorization.

53400758693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810566266.

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 53400758693 in words is "fifty-three billion, four hundred million, seven hundred fifty-eight thousand, six hundred ninety-three".

Divisors: 1 19 2810566247 53400758693