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90184955723776 = 22246372
BaseRepresentation
bin10100100000010111010010…
…010000000000000000000000
3102211022121010121220112201001
4110200113102100000000000
543310042242131130101
6515450221404421344
724665435163264214
oct2440272220000000
9384277117815631
1090184955723776
1126810252430a21
12a146547247854
133b4253555a7c4
14183ad91b36944
15a65db7192901
hex5205d2400000

90184955723776 has 69 divisors (see below), whose sum is σ = 180408796305049. Its totient is φ = 45082753368064.

The previous prime is 90184955723747. The next prime is 90184955723783. The reversal of 90184955723776 is 67732755948109.

The square root of 90184955723776 is 9496576.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 22672834560000 + 67512121163776 = 4761600^2 + 8216576^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90184955723699 and 90184955723708.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 19448985330 + ... + 19448989966.

It is a 2-persistent number, because it is pandigital, and so is 2⋅90184955723776 = 180369911447552, but 3⋅90184955723776 = 270554867171328 is not.

Almost surely, 290184955723776 is an apocalyptic number.

90184955723776 is the 9496576-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90184955723776

90184955723776 is an abundant number, since it is smaller than the sum of its proper divisors (90223840581273).

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

90184955723776 is an frugal number, since it uses more digits than its factorization.

90184955723776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9318 (or 4639 counting only the distinct ones).

The product of its (nonzero) digits is 800150400, while the sum is 73.

It can be divided in two parts, 901849 and 55723776, that added together give a square (56625625 = 75252).

The spelling of 90184955723776 in words is "ninety trillion, one hundred eighty-four billion, nine hundred fifty-five million, seven hundred twenty-three thousand, seven hundred seventy-six".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 2048 4096 4637 8192 9274 16384 18548 32768 37096 65536 74192 131072 148384 262144 296768 524288 593536 1048576 1187072 2097152 2374144 4194304 4748288 9496576 18993152 21501769 37986304 43003538 75972608 86007076 151945216 172014152 303890432 344028304 607780864 688056608 1215561728 1376113216 2431123456 2752226432 4862246912 5504452864 9724493824 11008905728 19448987648 22017811456 44035622912 88071245824 176142491648 352284983296 704569966592 1409139933184 2818279866368 5636559732736 11273119465472 22546238930944 45092477861888 90184955723776