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90065481360 = 24352963126653
BaseRepresentation
bin101001111100001010…
…0100010111010010000
322121110211002111122220
41103320110202322100
52433423230400420
6105213035501040
76335622650211
oct1237024427220
9277424074586
1090065481360
1135218686218
12155568b7780
13865456b14a
1445058a5408
152521eb3840
hex14f8522e90

90065481360 has 80 divisors (see below), whose sum is σ = 279299427264. Its totient is φ = 24009166336.

The previous prime is 90065481353. The next prime is 90065481371. The reversal of 90065481360 is 6318456009.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×900654813602 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 647794 + ... + 774446.

Almost surely, 290065481360 is an apocalyptic number.

It is an amenable number.

90065481360 is an abundant number, since it is smaller than the sum of its proper divisors (189233945904).

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

90065481360 is a wasteful number, since it uses less digits than its factorization.

90065481360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129632 (or 129626 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 90065481360 in words is "ninety billion, sixty-five million, four hundred eighty-one thousand, three hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 2963 5926 8889 11852 14815 17778 23704 29630 35556 44445 47408 59260 71112 88890 118520 126653 142224 177780 237040 253306 355560 379959 506612 633265 711120 759918 1013224 1266530 1519836 1899795 2026448 2533060 3039672 3799590 5066120 6079344 7599180 10132240 15198360 30396720 375272839 750545678 1125818517 1501091356 1876364195 2251637034 3002182712 3752728390 4503274068 5629092585 6004365424 7505456780 9006548136 11258185170 15010913560 18013096272 22516370340 30021827120 45032740680 90065481360