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12402000002 = 2743112791607
BaseRepresentation
bin10111000110011011…
…11000000010000010
31012000022112212200102
423203031320002002
5200344403000002
65410345522402
7616222155260
oct134315700202
935008485612
1012402000002
115294673187
1224a14a3402
131228526552
14859183430
154c8bcba02
hex2e3378082

12402000002 has 32 divisors (see below), whose sum is σ = 21339832320. Its totient is φ = 5295367440.

The previous prime is 12401999989. The next prime is 12402000029. The reversal of 12402000002 is 20000020421.

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, 7716683 + ... + 7718289.

It is an arithmetic number, because the mean of its divisors is an integer number (666869760).

Almost surely, 212402000002 is an apocalyptic number.

12402000002 is a deficient number, since it is larger than the sum of its proper divisors (8937832318).

12402000002 is a wasteful number, since it uses less digits than its factorization.

12402000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 12402000002 its reverse (20000020421), we get a palindrome (32402020423).

The spelling of 12402000002 in words is "twelve billion, four hundred two million, two", and thus it is an aban number.

Divisors: 1 2 7 14 431 862 1279 1607 2558 3017 3214 6034 8953 11249 17906 22498 551249 692617 1102498 1385234 2055353 3858743 4110706 4848319 7717486 9696638 14387471 28774942 885857143 1771714286 6201000001 12402000002