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52887978835 = 510997042163
BaseRepresentation
bin110001010000010111…
…101000001101010011
312001111212001200210221
4301100113220031103
51331303310310320
640144004533511
73551420255056
oct612027501523
9161455050727
1052887978835
112047a98131a
12a3000b1297
134cab191c43
1427ba0d6a9d
1515981ac3aa
hexc505e8353

52887978835 has 8 divisors (see below), whose sum is σ = 64047828240. Its totient is φ = 41922213984.

The previous prime is 52887978811. The next prime is 52887978841. The reversal of 52887978835 is 53887978825.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52887978835 - 29 = 52887978323 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48520537 + ... + 48521626.

It is an arithmetic number, because the mean of its divisors is an integer number (8005978530).

Almost surely, 252887978835 is an apocalyptic number.

52887978835 is a deficient number, since it is larger than the sum of its proper divisors (11159849405).

52887978835 is a wasteful number, since it uses less digits than its factorization.

52887978835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97042277.

The product of its digits is 270950400, while the sum is 70.

The spelling of 52887978835 in words is "fifty-two billion, eight hundred eighty-seven million, nine hundred seventy-eight thousand, eight hundred thirty-five".

Divisors: 1 5 109 545 97042163 485210815 10577595767 52887978835