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1320100231432 = 23257642072097
BaseRepresentation
bin10011001101011100000…
…110101111100100001000
311200012102001111000011011
4103031130012233210020
5133112031124401212
62450240133213304
7164242212553243
oct23153406574410
94605361430134
101320100231432
11469940190604
12193a16a91234
139763c496cc8
1447c70cc225a
152451388e4a7
hex1335c1af908

1320100231432 has 16 divisors (see below), whose sum is σ = 2484819019260. Its totient is φ = 657481826304.

The previous prime is 1320100231381. The next prime is 1320100231459. The reversal of 1320100231432 is 2341320010231.

It can be written as a sum of positive squares in 2 ways, for example, as 762817079236 + 557283152196 = 873394^2 + 746514^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321033993 + ... + 321038104.

Almost surely, 21320100231432 is an apocalyptic number.

It is an amenable number.

1320100231432 is a deficient number, since it is larger than the sum of its proper divisors (1164718787828).

1320100231432 is a wasteful number, since it uses less digits than its factorization.

1320100231432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642072360 (or 642072356 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1320100231432 its reverse (2341320010231), we get a palindrome (3661420241663).

The spelling of 1320100231432 in words is "one trillion, three hundred twenty billion, one hundred million, two hundred thirty-one thousand, four hundred thirty-two".

Divisors: 1 2 4 8 257 514 1028 2056 642072097 1284144194 2568288388 5136576776 165012528929 330025057858 660050115716 1320100231432