Search a number
-
+
90264115846447 = 2956912234472789
BaseRepresentation
bin10100100001100001000000…
…100011111001110100101111
3102211121011110102122102121021
4110201201000203321310233
543312341402124041242
6515550432400515011
725004236636234654
oct2441410043716457
9384534412572537
1090264115846447
112684088423a804
12a15995991ba67
133b49b3c68998a
141840b41125c2b
15a67e9ba5db67
hex5218408f9d2f

90264115846447 has 16 divisors (see below), whose sum is σ = 93617283816000. Its totient is φ = 86927239270144.

The previous prime is 90264115846441. The next prime is 90264115846451. The reversal of 90264115846447 is 74464851146209.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-90264115846447 is a prime.

It is a super-2 number, since 2×902641158464472 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90264115846441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17944329 + ... + 22417117.

It is an arithmetic number, because the mean of its divisors is an integer number (5851080238500).

Almost surely, 290264115846447 is an apocalyptic number.

90264115846447 is a deficient number, since it is larger than the sum of its proper divisors (3353167969553).

90264115846447 is a wasteful number, since it uses less digits than its factorization.

90264115846447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4474610.

The product of its (nonzero) digits is 46448640, while the sum is 61.

The spelling of 90264115846447 in words is "ninety trillion, two hundred sixty-four billion, one hundred fifteen million, eight hundred forty-six thousand, four hundred forty-seven".

Divisors: 1 29 569 1223 16501 35467 695887 4472789 20180723 129710881 2545016941 5470220947 73805491289 158636407463 3112555718843 90264115846447