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52052801076 = 22321445911141
BaseRepresentation
bin110000011110100101…
…101011011000110100
311222100122112021022100
4300132211223120310
51323101004113301
635525052102100
73521626336353
oct603645533064
9158318467270
1052052801076
11200914a3971
12a108464930
134ba7143413
14273b21199a
151549bd7286
hexc1e96b634

52052801076 has 18 divisors (see below), whose sum is σ = 131577913922. Its totient is φ = 17350933680.

The previous prime is 52052801063. The next prime is 52052801077. The reversal of 52052801076 is 67010825025.

It is a happy number.

52052801076 is a `hidden beast` number, since 5 + 20 + 528 + 0 + 107 + 6 = 666.

52052801076 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 45251500176 + 6801300900 = 212724^2 + 82470^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1445911141 = 52052801076 / (5 + 2 + 0 + 5 + 2 + 8 + 0 + 1 + 0 + 7 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 52052801076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52052801077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 722955535 + ... + 722955606.

Almost surely, 252052801076 is an apocalyptic number.

It is an amenable number.

52052801076 is an abundant number, since it is smaller than the sum of its proper divisors (79525112846).

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

52052801076 is a wasteful number, since it uses less digits than its factorization.

52052801076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445911151 (or 1445911146 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The spelling of 52052801076 in words is "fifty-two billion, fifty-two million, eight hundred one thousand, seventy-six".

Divisors: 1 2 3 4 6 9 12 18 36 1445911141 2891822282 4337733423 5783644564 8675466846 13013200269 17350933692 26026400538 52052801076