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323220230120 = 23583761127931
BaseRepresentation
bin1001011010000010110…
…11010100111111101000
31010220021202212221021002
410231001123110333220
520243423334330440
6404252455134132
732231461424264
oct4550133247750
91126252787232
10323220230120
11115093436927
1252785974348
1324630709148
1411902d9b0a4
15861aec2115
hex4b416d4fe8

323220230120 has 64 divisors (see below), whose sum is σ = 736980431040. Its totient is φ = 127561561600.

The previous prime is 323220230101. The next prime is 323220230141. The reversal of 323220230120 is 21032022323.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 323220230092 and 323220230101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2462555 + ... + 2590485.

It is an arithmetic number, because the mean of its divisors is an integer number (11515319235).

Almost surely, 2323220230120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323220230120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368490215520).

323220230120 is an abundant number, since it is smaller than the sum of its proper divisors (413760200920).

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

323220230120 is a wasteful number, since it uses less digits than its factorization.

323220230120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128786 (or 128782 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 323220230120 its reverse (21032022323), we get a palindrome (344252252443).

The spelling of 323220230120 in words is "three hundred twenty-three billion, two hundred twenty million, two hundred thirty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 83 166 332 415 664 761 830 1522 1660 3044 3320 3805 6088 7610 15220 30440 63163 126326 127931 252652 255862 315815 505304 511724 631630 639655 1023448 1263260 1279310 2526520 2558620 5117240 10618273 21236546 42473092 53091365 84946184 97355491 106182730 194710982 212365460 389421964 424730920 486777455 778843928 973554910 1947109820 3894219640 8080505753 16161011506 32322023012 40402528765 64644046024 80805057530 161610115060 323220230120