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90414018380 = 2257645814417
BaseRepresentation
bin101010000110100011…
…0000110111101001100
322122101002221000120102
41110031012012331030
52440131442042010
6105311410110232
76350354322140
oct1241506067514
9278332830512
1090414018380
11353873a1244
121563357b378
1386ab83147a
144539cb1220
1525428adba5
hex150d186f4c

90414018380 has 24 divisors (see below), whose sum is σ = 216993644448. Its totient is φ = 30999091968.

The previous prime is 90414018361. The next prime is 90414018391. The reversal of 90414018380 is 8381041409.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322907069 + ... + 322907348.

It is an arithmetic number, because the mean of its divisors is an integer number (9041401852).

Almost surely, 290414018380 is an apocalyptic number.

It is an amenable number.

90414018380 is an abundant number, since it is smaller than the sum of its proper divisors (126579626068).

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

90414018380 is a wasteful number, since it uses less digits than its factorization.

90414018380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645814433 (or 645814431 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

Adding to 90414018380 its reverse (8381041409), we get a palindrome (98795059789).

The spelling of 90414018380 in words is "ninety billion, four hundred fourteen million, eighteen thousand, three hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 645814417 1291628834 2583257668 3229072085 4520700919 6458144170 9041401838 12916288340 18082803676 22603504595 45207009190 90414018380