Search a number
-
+
285961795540512 = 253713139235494403
BaseRepresentation
bin100000100000101001010101…
…1001111100001011000100000
31101111111200101012121000010120
41001001102223033201120200
5244440144224124244022
62452105011343000240
7114143025605420460
oct10101225317413040
91344450335530116
10285961795540512
1183130797634a83
12280a538a899080
13c37410a3b9930
1450888a6471ba0
15230d7c8900d5c
hex10414ab3e1620

285961795540512 has 192 divisors, whose sum is σ = 930523168189440. Its totient is φ = 74875916104704.

The previous prime is 285961795540511. The next prime is 285961795540549. The reversal of 285961795540512 is 215045597169582.

It is not an unprimeable number, because it can be changed into a prime (285961795540511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116532898 + ... + 118961505.

It is an arithmetic number, because the mean of its divisors is an integer number (4846474834320).

Almost surely, 2285961795540512 is an apocalyptic number.

It is an amenable number.

285961795540512 is an abundant number, since it is smaller than the sum of its proper divisors (644561372648928).

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

285961795540512 is a wasteful number, since it uses less digits than its factorization.

285961795540512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235494575 (or 235494567 counting only the distinct ones).

The product of its (nonzero) digits is 272160000, while the sum is 69.

The spelling of 285961795540512 in words is "two hundred eighty-five trillion, nine hundred sixty-one billion, seven hundred ninety-five million, five hundred forty thousand, five hundred twelve".