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85715237228652 = 2236172375178517
BaseRepresentation
bin10011011111010100100010…
…010001000101000001101100
3102020111022000020222222000000
4103133110202101011001230
542213324301212304102
6502145011505104300
724024502325036253
oct2337244221050154
9366438006888000
1085715237228652
112534769a907749
12974422b628090
1338a9bb20cca35
1417248d517979a
159d99b3c8701c
hex4df52244506c

85715237228652 has 168 divisors, whose sum is σ = 248482443406176. Its totient is φ = 25721878178304.

The previous prime is 85715237228563. The next prime is 85715237228657. The reversal of 85715237228652 is 25682273251758.

85715237228652 is a `hidden beast` number, since 8 + 5 + 7 + 1 + 523 + 7 + 22 + 86 + 5 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 85715237228652.

It is not an unprimeable number, because it can be changed into a prime (85715237228657) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 36449103 + ... + 38729414.

It is an arithmetic number, because the mean of its divisors is an integer number (1479062163132).

Almost surely, 285715237228652 is an apocalyptic number.

It is an amenable number.

85715237228652 is an abundant number, since it is smaller than the sum of its proper divisors (162767206177524).

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

85715237228652 is a wasteful number, since it uses less digits than its factorization.

85715237228652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75178579 (or 75178562 counting only the distinct ones).

The product of its digits is 112896000, while the sum is 63.

The spelling of 85715237228652 in words is "eighty-five trillion, seven hundred fifteen billion, two hundred thirty-seven million, two hundred twenty-eight thousand, six hundred fifty-two".