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1231120001032 = 231921732464093
BaseRepresentation
bin10001111010100100011…
…110000110100000001000
311100200201212110221221021
4101322210132012200020
5130132313210013112
62341322502122224
7154642205230015
oct21724436064010
94320655427837
101231120001032
1143512a166509
1217a723720374
138c12ba144bc
144382d5da70c
1522056ceb907
hex11ea4786808

1231120001032 has 48 divisors (see below), whose sum is σ = 2450319714540. Its totient is φ = 579790991232.

The previous prime is 1231120001011. The next prime is 1231120001071. The reversal of 1231120001032 is 2301000211321.

It can be written as a sum of positive squares in 2 ways, for example, as 1212478467876 + 18641533156 = 1101126^2 + 136534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1231120000997 and 1231120001015.

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, 732423 + ... + 1731670.

Almost surely, 21231120001032 is an apocalyptic number.

It is an amenable number.

1231120001032 is a deficient number, since it is larger than the sum of its proper divisors (1219199713508).

1231120001032 is a wasteful number, since it uses less digits than its factorization.

1231120001032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2464310 (or 2464287 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1231120001032 its reverse (2301000211321), we get a palindrome (3532120212353).

The spelling of 1231120001032 in words is "one trillion, two hundred thirty-one billion, one hundred twenty million, one thousand, thirty-two".

Divisors: 1 2 4 8 19 38 76 152 173 346 361 692 722 1384 1444 2888 3287 6574 13148 26296 62453 124906 249812 499624 2464093 4928186 9856372 19712744 46817767 93635534 187271068 374542136 426288089 852576178 889537573 1705152356 1779075146 3410304712 3558150292 7116300584 8099473691 16198947382 32397894764 64795789528 153890000129 307780000258 615560000516 1231120001032