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323121222030 = 23573497329669
BaseRepresentation
bin1001011001110111000…
…01101001000110001110
31010220000212120210200210
410230323201221012032
520243223013101110
6404235001103250
732226150033045
oct4547341510616
91126025523623
10323121222030
11115042562662
1252758787b26
1324616051c89
14118d3b8755c
158612466520
hex4b3b86918e

323121222030 has 64 divisors (see below), whose sum is σ = 786298674240. Its totient is φ = 84965354496.

The previous prime is 323121222023. The next prime is 323121222041. The reversal of 323121222030 is 30222121323.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 323121221988 and 323121222006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10876036 + ... + 10905704.

It is an arithmetic number, because the mean of its divisors is an integer number (12285916785).

Almost surely, 2323121222030 is an apocalyptic number.

323121222030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 323121222030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393149337120).

323121222030 is an abundant number, since it is smaller than the sum of its proper divisors (463177452210).

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

323121222030 is a wasteful number, since it uses less digits than its factorization.

323121222030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34725.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 323121222030 its reverse (30222121323), we get a palindrome (353343343353).

The spelling of 323121222030 in words is "three hundred twenty-three billion, one hundred twenty-one million, two hundred twenty-two thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 73 146 219 365 438 730 1095 2190 4973 9946 14919 24865 29669 29838 49730 59338 74595 89007 148345 149190 178014 296690 363029 445035 726058 890070 1089087 1815145 2165837 2178174 3630290 4331674 5445435 6497511 10829185 10890870 12995022 21658370 32487555 64975110 147543937 295087874 442631811 737719685 885263622 1475439370 2213159055 4426318110 10770707401 21541414802 32312122203 53853537005 64624244406 107707074010 161560611015 323121222030