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421010120212 = 221179673179969
BaseRepresentation
bin1100010000001100010…
…10001001111000010100
31111020200220211001200021
412020012022021320110
523344212042321322
6521224231554524
742263010655543
oct6100612117024
91436626731607
10421010120212
11152605267710
126971752ba44
1330916387636
141653c6ac15a
15ae411944c7
hex6206289e14

421010120212 has 48 divisors (see below), whose sum is σ = 815134521600. Its totient is φ = 188664053760.

The previous prime is 421010120129. The next prime is 421010120231. The reversal of 421010120212 is 212021010124.

It is a congruent 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, 2249364 + ... + 2429332.

It is an arithmetic number, because the mean of its divisors is an integer number (16981969200).

Almost surely, 2421010120212 is an apocalyptic number.

It is an amenable number.

421010120212 is a deficient number, since it is larger than the sum of its proper divisors (394124401388).

421010120212 is a wasteful number, since it uses less digits than its factorization.

421010120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180736 (or 180734 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 421010120212 its reverse (212021010124), we get a palindrome (633031130336).

The spelling of 421010120212 in words is "four hundred twenty-one billion, ten million, one hundred twenty thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 79 158 316 673 869 1346 1738 2692 3476 7403 14806 29612 53167 106334 179969 212668 359938 584837 719876 1169674 1979659 2339348 3959318 7918636 14217551 28435102 56870204 121119137 156393061 242238274 312786122 484476548 625572244 1332310507 2664621014 5329242028 9568411823 19136823646 38273647292 105252530053 210505060106 421010120212