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423130434412 = 22723169639637
BaseRepresentation
bin1100010100001001000…
…10100000101101101100
31111110011200120011221211
412022010202200231230
523413032342400122
6522214453404204
742366365230600
oct6120442405554
91443150504854
10423130434412
111534a31100a4
126a009639664
1330b9373891a
14166a0125500
15b0173c0877
hex62848a0b6c

423130434412 has 36 divisors (see below), whose sum is σ = 889158897984. Its totient is φ = 175491882720.

The previous prime is 423130434371. The next prime is 423130434413. The reversal of 423130434412 is 214434031324.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (423130434413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34813743 + ... + 34825894.

Almost surely, 2423130434412 is an apocalyptic number.

It is an amenable number.

423130434412 is an abundant number, since it is smaller than the sum of its proper divisors (466028463572).

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

423130434412 is a wasteful number, since it uses less digits than its factorization.

423130434412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69639686 (or 69639677 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 423130434412 its reverse (214434031324), we get a palindrome (637564465736).

The spelling of 423130434412 in words is "four hundred twenty-three billion, one hundred thirty million, four hundred thirty-four thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 31 49 62 98 124 196 217 434 868 1519 3038 6076 69639637 139279274 278558548 487477459 974954918 1949909836 2158828747 3412342213 4317657494 6824684426 8635314988 13649368852 15111801229 30223602458 60447204916 105782608603 211565217206 423130434412