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53021503223 = 134078577171
BaseRepresentation
bin110001011000010100…
…111110111011110111
312001212011022102211122
4301120110332323313
51332042001100343
640205134454155
73554631225023
oct613024767367
9161764272748
1053021503223
1120539290157
12a33896435b
134ccca42960
1427cdb33383
1515a4c85068
hexc5853eef7

53021503223 has 4 divisors (see below), whose sum is σ = 57100080408. Its totient is φ = 48942926040.

The previous prime is 53021503211. The next prime is 53021503253. The reversal of 53021503223 is 32230512035.

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

It is a cyclic number.

It is not a de Polignac number, because 53021503223 - 214 = 53021486839 is a prime.

It is a super-2 number, since 2×530215032232 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53021503192 and 53021503201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53021503253) 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, 2039288573 + ... + 2039288598.

It is an arithmetic number, because the mean of its divisors is an integer number (14275020102).

Almost surely, 253021503223 is an apocalyptic number.

53021503223 is a deficient number, since it is larger than the sum of its proper divisors (4078577185).

53021503223 is a wasteful number, since it uses less digits than its factorization.

53021503223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4078577184.

The product of its (nonzero) digits is 5400, while the sum is 26.

The spelling of 53021503223 in words is "fifty-three billion, twenty-one million, five hundred three thousand, two hundred twenty-three".

Divisors: 1 13 4078577171 53021503223