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423130131244 = 222352152316879
BaseRepresentation
bin1100010100001001000…
…01010110101100101100
31111110011122222210002101
412022010201112230230
523413032303144434
6522214443104444
742366362525662
oct6120441265454
91443148883071
10423130131244
111534a2a23347
126a009512124
1330b93660932
14166a0086c32
15b017360b14
hex6284856b2c

423130131244 has 48 divisors (see below), whose sum is σ = 775681643520. Its totient is φ = 201580030080.

The previous prime is 423130131227. The next prime is 423130131253. The reversal of 423130131244 is 442131031324.

It is a happy number.

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, 25059997 + ... + 25076875.

It is an arithmetic number, because the mean of its divisors is an integer number (16160034240).

Almost surely, 2423130131244 is an apocalyptic number.

It is an amenable number.

423130131244 is a deficient number, since it is larger than the sum of its proper divisors (352551512276).

423130131244 is a wasteful number, since it uses less digits than its factorization.

423130131244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17950 (or 17948 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 423130131244 its reverse (442131031324), we get a palindrome (865261162568).

The spelling of 423130131244 in words is "four hundred twenty-three billion, one hundred thirty million, one hundred thirty-one thousand, two hundred forty-four".

Divisors: 1 2 4 23 46 92 521 523 1042 1046 2084 2092 11983 12029 16879 23966 24058 33758 47932 48116 67516 272483 388217 544966 776434 1089932 1552868 6267109 8793959 8827717 12534218 17587918 17655434 25068436 35175836 35310868 202261057 203037491 404522114 406074982 809044228 812149964 4599240557 9198481114 18396962228 105782532811 211565065622 423130131244