Search a number
-
+
89298989498880 = 293457331101401
BaseRepresentation
bin10100010011011110001010…
…100011000100001000000000
3102201011220022010011002210000
4110103132022203010020000
543201033312302431010
6513531220041440000
724544432130523000
oct2423361243041000
9381156263132700
1089298989498880
11264a9541609077
12a0228aaaa0000
133aa9b213a7945
14180a1464da000
15a4cd11c1b7c0
hex51378a8c4200

89298989498880 has 3200 divisors, whose sum is σ = 389805936537600. Its totient is φ = 19508428800000.

The previous prime is 89298989498821. The next prime is 89298989498959. The reversal of 89298989498880 is 8889498989298.

89298989498880 is a `hidden beast` number, since 8 + 9 + 29 + 8 + 9 + 8 + 9 + 498 + 8 + 80 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 222690746680 + ... + 222690747080.

It is an arithmetic number, because the mean of its divisors is an integer number (121814355168).

Almost surely, 289298989498880 is an apocalyptic number.

89298989498880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89298989498880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194902968268800).

89298989498880 is an abundant number, since it is smaller than the sum of its proper divisors (300506947038720).

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

89298989498880 is a wasteful number, since it uses less digits than its factorization.

89298989498880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 123834728448, while the sum is 99.

The spelling of 89298989498880 in words is "eighty-nine trillion, two hundred ninety-eight billion, nine hundred eighty-nine million, four hundred ninety-eight thousand, eight hundred eighty".