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201420030402 = 236791748711
BaseRepresentation
bin1011101110010110010…
…0011100000111000010
3201020220022022201000000
42323211210130013002
511300002011433102
6232310414140430
720360243003223
oct2734544340702
9636808281000
10201420030402
11784703a1048
12330531b1716
1315cbc591b56
149a6a92924a
15538ce7401c
hex2ee591c1c2

201420030402 has 56 divisors (see below), whose sum is σ = 458722131840. Its totient is φ = 66290098680.

The previous prime is 201420030391. The next prime is 201420030431. The reversal of 201420030402 is 204030024102.

201420030402 is a `hidden beast` number, since 20 + 14 + 200 + 30 + 402 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 759174 + ... + 989537.

It is an arithmetic number, because the mean of its divisors is an integer number (8191466640).

Almost surely, 2201420030402 is an apocalyptic number.

201420030402 is an abundant number, since it is smaller than the sum of its proper divisors (257302101438).

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

201420030402 is an equidigital number, since it uses as much as digits as its factorization.

201420030402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748810 (or 1748795 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 201420030402 its reverse (204030024102), we get a palindrome (405450054504).

The spelling of 201420030402 in words is "two hundred one billion, four hundred twenty million, thirty thousand, four hundred two".

Divisors: 1 2 3 6 9 18 27 54 79 81 158 162 237 243 474 486 711 729 1422 1458 2133 4266 6399 12798 19197 38394 57591 115182 1748711 3497422 5246133 10492266 15738399 31476798 47215197 94430394 138148169 141645591 276296338 283291182 414444507 424936773 828889014 849873546 1243333521 1274810319 2486667042 2549620638 3730000563 7460001126 11190001689 22380003378 33570005067 67140010134 100710015201 201420030402