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52110440452 = 22723668912097
BaseRepresentation
bin110000100010000001…
…100011100000000100
311222111122222122200001
4300202001203200010
51323210233043302
635534511331044
73523226302240
oct604201434004
9158448878601
1052110440452
1120110a92214
12a123820a84
134bb6074a65
142744b37420
15154ecc0787
hexc22063804

52110440452 has 48 divisors (see below), whose sum is σ = 108777473280. Its totient is φ = 21357084672.

The previous prime is 52110440411. The next prime is 52110440453. The reversal of 52110440452 is 25404401125.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 52110440452.

It is not an unprimeable number, because it can be changed into a prime (52110440453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4301668 + ... + 4313764.

It is an arithmetic number, because the mean of its divisors is an integer number (2266197360).

Almost surely, 252110440452 is an apocalyptic number.

It is an amenable number.

52110440452 is an abundant number, since it is smaller than the sum of its proper divisors (56667032828).

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

52110440452 is a wasteful number, since it uses less digits than its factorization.

52110440452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18820 (or 18818 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 52110440452 its reverse (25404401125), we get a palindrome (77514841577).

The spelling of 52110440452 in words is "fifty-two billion, one hundred ten million, four hundred forty thousand, four hundred fifty-two".

Divisors: 1 2 4 7 14 23 28 46 92 161 322 644 6689 12097 13378 24194 26756 46823 48388 84679 93646 153847 169358 187292 278231 307694 338716 556462 615388 1076929 1112924 1947617 2153858 3895234 4307716 7790468 80916833 161833666 323667332 566417831 1132835662 1861087159 2265671324 3722174318 7444348636 13027610113 26055220226 52110440452