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13402402002 = 23211349193951
BaseRepresentation
bin11000111101101100…
…00110110011010010
31021121000222120020100
430132312012303102
5204422003331002
610053523553230
7653060352213
oct143666066322
937530876210
1013402402002
115758340aa0
12272052b816
1313578746b2
14911d9740a
1553693c11c
hex31ed86cd2

13402402002 has 48 divisors (see below), whose sum is σ = 31769337600. Its totient is φ = 4049676000.

The previous prime is 13402401989. The next prime is 13402402031. The reversal of 13402402002 is 20020420431.

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 23 ways as a sum of consecutive naturals, for example, 27874 + ... + 166077.

It is an arithmetic number, because the mean of its divisors is an integer number (661861200).

Almost surely, 213402402002 is an apocalyptic number.

13402402002 is an abundant number, since it is smaller than the sum of its proper divisors (18366935598).

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

13402402002 is a wasteful number, since it uses less digits than its factorization.

13402402002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194319 (or 194316 counting only the distinct ones).

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

Adding to 13402402002 its reverse (20020420431), we get a palindrome (33422822433).

The spelling of 13402402002 in words is "thirteen billion, four hundred two million, four hundred two thousand, two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 349 698 1047 2094 3141 3839 6282 7678 11517 23034 34551 69102 193951 387902 581853 1163706 1745559 2133461 3491118 4266922 6400383 12800766 19201149 38402298 67688899 135377798 203066697 406133394 609200091 744577889 1218400182 1489155778 2233733667 4467467334 6701201001 13402402002