Search a number
-
+
90187338894310 = 2571288390555633
BaseRepresentation
bin10100100000011001100000…
…010011000100101111100110
3102211022211021201021011002101
4110200121200103010233212
543310112132224104220
6515451254100202314
724665551222015240
oct2440314023045746
9384284251234071
1090187338894310
1126811265699249
12a146ab139939a
133b42825203198
14183b13a455090
15a65ea64e230a
hex5206604c4be6

90187338894310 has 16 divisors (see below), whose sum is σ = 185528240011296. Its totient is φ = 30921373335168.

The previous prime is 90187338894281. The next prime is 90187338894313. The reversal of 90187338894310 is 1349883378109.

It is a super-2 number, since 2×901873388943102 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90187338894313) 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 7 ways as a sum of consecutive naturals, for example, 644195277747 + ... + 644195277886.

It is an arithmetic number, because the mean of its divisors is an integer number (11595515000706).

Almost surely, 290187338894310 is an apocalyptic number.

90187338894310 is an abundant number, since it is smaller than the sum of its proper divisors (95340901116986).

90187338894310 is a wasteful number, since it uses less digits than its factorization.

90187338894310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288390555647.

The product of its (nonzero) digits is 31352832, while the sum is 64.

The spelling of 90187338894310 in words is "ninety trillion, one hundred eighty-seven billion, three hundred thirty-eight million, eight hundred ninety-four thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 35 70 1288390555633 2576781111266 6441952778165 9018733889431 12883905556330 18037467778862 45093669447155 90187338894310