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52238172672 = 2935759981
BaseRepresentation
bin110000101001101000…
…110100001000000000
311222211120100010100000
4300221220310020000
51323440433011142
635555313200000
73526340066340
oct605150641000
9158746303300
1052238172672
11201770a5334
12a15a560000
134c0667825a
142757aa6d20
15155b10214c
hexc29a34200

52238172672 has 240 divisors, whose sum is σ = 178684938432. Its totient is φ = 14924943360.

The previous prime is 52238172619. The next prime is 52238172691. The reversal of 52238172672 is 27627183225.

52238172672 is a `hidden beast` number, since 5 + 2 + 2 + 381 + 7 + 267 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 840922 + ... + 900902.

Almost surely, 252238172672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52238172672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89342469216).

52238172672 is an abundant number, since it is smaller than the sum of its proper divisors (126446765760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52238172672 is an frugal number, since it uses more digits than its factorization.

52238172672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60021 (or 59993 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The spelling of 52238172672 in words is "fifty-two billion, two hundred thirty-eight million, one hundred seventy-two thousand, six hundred seventy-two".