Search a number
-
+
86740990875 = 32537118911251
BaseRepresentation
bin101000011001000101…
…0100111101110011011
322021220010110220001200
41100302022213232123
52410121143202000
6103503120245243
76160344154140
oct1206212475633
9267803426050
1086740990875
1133872034320
1214989470823
138244892806
1442ac1523c7
1523ca1c4500
hex14322a7b9b

86740990875 has 192 divisors, whose sum is σ = 197156643840. Its totient is φ = 35640000000.

The previous prime is 86740990873. The next prime is 86740990891. The reversal of 86740990875 is 57809904768.

86740990875 is a `hidden beast` number, since 8 + 67 + 409 + 90 + 87 + 5 = 666.

It is not a de Polignac number, because 86740990875 - 21 = 86740990873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (86740990873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 7704000 + ... + 7715250.

It is an arithmetic number, because the mean of its divisors is an integer number (1026857520).

Almost surely, 286740990875 is an apocalyptic number.

86740990875 is an abundant number, since it is smaller than the sum of its proper divisors (110415652965).

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

86740990875 is a wasteful number, since it uses less digits than its factorization.

86740990875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11379 (or 11366 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 63.

The spelling of 86740990875 in words is "eighty-six billion, seven hundred forty million, nine hundred ninety thousand, eight hundred seventy-five".