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423130031012 = 221328572848133
BaseRepresentation
bin1100010100001001000…
…00111110001110100100
31111110011122210200121002
412022010200332032210
523413032241443022
6522214441012432
742366361630523
oct6120440761644
91443148720532
10423130031012
111534a2965007
126a009484118
1330b93627120
14166a005c4ba
15b017341092
hex628483e3a4

423130031012 has 24 divisors (see below), whose sum is σ = 797716763256. Its totient is φ = 195222359808.

The previous prime is 423130030963. The next prime is 423130031021. The reversal of 423130031012 is 210130031324.

It can be written as a sum of positive squares in 4 ways, for example, as 338780836 + 422791250176 = 18406^2 + 650224^2 .

It is a super-3 number, since 3×4231300310123 (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1275503 + ... + 1572630.

It is an arithmetic number, because the mean of its divisors is an integer number (33238198469).

Almost surely, 2423130031012 is an apocalyptic number.

It is an amenable number.

423130031012 is a deficient number, since it is larger than the sum of its proper divisors (374586732244).

423130031012 is a wasteful number, since it uses less digits than its factorization.

423130031012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851007 (or 2851005 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 423130031012 its reverse (210130031324), we get a palindrome (633260062336).

The spelling of 423130031012 in words is "four hundred twenty-three billion, one hundred thirty million, thirty-one thousand, twelve".

Divisors: 1 2 4 13 26 52 2857 5714 11428 37141 74282 148564 2848133 5696266 11392532 37025729 74051458 148102916 8137115981 16274231962 32548463924 105782507753 211565015506 423130031012