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1312201330002 = 232172574224377
BaseRepresentation
bin10011000110000101010…
…010110100110101010010
311122110000120022020102100
4103012011102310311102
5132444342020030002
62442452244301230
7163542400162143
oct23060522646522
94573016266370
101312201330002
11466557494aa2
121923916a1816
1396980b90734
1447721c13aca
15242001b411c
hex131854b4d52

1312201330002 has 24 divisors (see below), whose sum is σ = 2843268305436. Its totient is φ = 437374993536.

The previous prime is 1312201329953. The next prime is 1312201330021. The reversal of 1312201330002 is 2000331022131.

1312201330002 is a `hidden beast` number, since 1 + 312 + 20 + 1 + 330 + 0 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1226797696881 + 85403633121 = 1107609^2 + 292239^2 .

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 11 ways as a sum of consecutive naturals, for example, 1801563 + ... + 2422814.

Almost surely, 21312201330002 is an apocalyptic number.

1312201330002 is an abundant number, since it is smaller than the sum of its proper divisors (1531066975434).

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

1312201330002 is a wasteful number, since it uses less digits than its factorization.

1312201330002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4241642 (or 4241639 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1312201330002 its reverse (2000331022131), we get a palindrome (3312532352133).

The spelling of 1312201330002 in words is "one trillion, three hundred twelve billion, two hundred one million, three hundred thirty thousand, two".

Divisors: 1 2 3 6 9 18 17257 34514 51771 103542 155313 310626 4224377 8448754 12673131 25346262 38019393 76038786 72900073889 145800147778 218700221667 437400443334 656100665001 1312201330002