Search a number
-
+
93108495285 = 32513165796053
BaseRepresentation
bin101011010110110110…
…0101110001110110101
322220022220001122000100
41112231230232032311
53011141233322120
6110435022104313
76504213103011
oct1265554561665
9286286048010
1093108495285
113653a355663
1216065a1b099
138a1ab32cc0
144713aa7541
15264e202490
hex15adb2e3b5

93108495285 has 48 divisors (see below), whose sum is σ = 173909224944. Its totient is φ = 45809888256.

The previous prime is 93108495283. The next prime is 93108495289. The reversal of 93108495285 is 58259480139.

93108495285 is a `hidden beast` number, since 9 + 3 + 108 + 4 + 9 + 528 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 15783901956 + 77324593329 = 125634^2 + 278073^2 .

It is not a de Polignac number, because 93108495285 - 21 = 93108495283 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93108495283) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 921319 + ... + 1017371.

It is an arithmetic number, because the mean of its divisors is an integer number (3623108853).

Almost surely, 293108495285 is an apocalyptic number.

It is an amenable number.

93108495285 is a deficient number, since it is larger than the sum of its proper divisors (80800729659).

93108495285 is a wasteful number, since it uses less digits than its factorization.

93108495285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97734 (or 97731 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 93108495285 in words is "ninety-three billion, one hundred eight million, four hundred ninety-five thousand, two hundred eighty-five".

Divisors: 1 3 5 9 13 15 39 45 65 117 195 585 1657 4971 8285 14913 21541 24855 64623 74565 96053 107705 193869 288159 323115 480265 864477 969345 1248689 1440795 3746067 4322385 6243445 11238201 18730335 56191005 159159821 477479463 795799105 1432438389 2069077673 2387397315 6207233019 7162191945 10345388365 18621699057 31036165095 93108495285