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162285104420 = 225101910497591
BaseRepresentation
bin1001011100100011110…
…0100010110100100100
3120111212221001110221222
42113020330202310210
510124324441320140
6202315220555512
714503401425135
oct2271074426444
9514787043858
10162285104420
116290878aa0a
1227550b52b98
13123c37c7b0a
147bd71c5c8c
15434c3ba5b5
hex25c8f22d24

162285104420 has 48 divisors (see below), whose sum is σ = 341503344000. Its totient is φ = 64779982080.

The previous prime is 162285104329. The next prime is 162285104477. The reversal of 162285104420 is 24401582261.

It is a super-2 number, since 2×1622851044202 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21374825 + ... + 21382415.

It is an arithmetic number, because the mean of its divisors is an integer number (7114653000).

Almost surely, 2162285104420 is an apocalyptic number.

162285104420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162285104420 is an abundant number, since it is smaller than the sum of its proper divisors (179218239580).

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

162285104420 is a wasteful number, since it uses less digits than its factorization.

162285104420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9668 (or 9666 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

Adding to 162285104420 its reverse (24401582261), we get a palindrome (186686686681).

The spelling of 162285104420 in words is "one hundred sixty-two billion, two hundred eighty-five million, one hundred four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1019 1049 2038 2098 4076 4196 5095 5245 7591 10190 10490 15182 20380 20980 30364 37955 75910 151820 1068931 2137862 4275724 5344655 7735229 7962959 10689310 15470458 15925918 21378620 30940916 31851836 38676145 39814795 77352290 79629590 154704580 159259180 8114255221 16228510442 32457020884 40571276105 81142552210 162285104420