Search a number
-
+
89201312520 = 2335977663343
BaseRepresentation
bin101001100010011010…
…0000000001100001000
322112020121000011212120
41103010310000030020
52430141014000040
6104551205411240
76305330434425
oct1230464001410
9275217004776
1089201312520
11349148a73a1
1215355409b20
13854750b938
144462bd4d4c
1524c11b37d0
hex14c4d00308

89201312520 has 64 divisors (see below), whose sum is σ = 270362776320. Its totient is φ = 23541786624.

The previous prime is 89201312489. The next prime is 89201312567. The reversal of 89201312520 is 2521310298.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3820032 + ... + 3843311.

It is an arithmetic number, because the mean of its divisors is an integer number (4224418380).

Almost surely, 289201312520 is an apocalyptic number.

It is an amenable number.

89201312520 is an abundant number, since it is smaller than the sum of its proper divisors (181161463800).

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

89201312520 is a wasteful number, since it uses less digits than its factorization.

89201312520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7663454 (or 7663450 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The spelling of 89201312520 in words is "eighty-nine billion, two hundred one million, three hundred twelve thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 97 120 194 291 388 485 582 776 970 1164 1455 1940 2328 2910 3880 5820 11640 7663343 15326686 22990029 30653372 38316715 45980058 61306744 76633430 91960116 114950145 153266860 183920232 229900290 306533720 459800580 743344271 919601160 1486688542 2230032813 2973377084 3716721355 4460065626 5946754168 7433442710 8920131252 11150164065 14866885420 17840262504 22300328130 29733770840 44600656260 89201312520