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1311255004232 = 23434714780849
BaseRepresentation
bin10011000101001100111…
…000111000010001001000
311122100120121121220111202
4103011030320320101020
5132440422240113412
62442214321243332
7163510056430655
oct23051470702110
94570517556452
101311255004232
114661112a1488
12192168793548
139685cac7164
1447672278c2c
15241970863c2
hex1314ce38448

1311255004232 has 32 divisors (see below), whose sum is σ = 2515864428000. Its totient is φ = 640358847744.

The previous prime is 1311255004181. The next prime is 1311255004237. The reversal of 1311255004232 is 2324005521131.

It is a super-2 number, since 2×13112550042322 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1311255004195 and 1311255004204.

It is not an unprimeable number, because it can be changed into a prime (1311255004237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16178144 + ... + 16258992.

It is an arithmetic number, because the mean of its divisors is an integer number (78620763375).

Almost surely, 21311255004232 is an apocalyptic number.

It is an amenable number.

1311255004232 is a deficient number, since it is larger than the sum of its proper divisors (1204609423768).

1311255004232 is a wasteful number, since it uses less digits than its factorization.

1311255004232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128045 (or 128041 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 1311255004232 in words is "one trillion, three hundred eleven billion, two hundred fifty-five million, four thousand, two hundred thirty-two".

Divisors: 1 2 4 8 43 86 172 344 47147 80849 94294 161698 188588 323396 377176 646792 2027321 3476507 4054642 6953014 8109284 13906028 16218568 27812056 3811787803 7623575606 15247151212 30494302424 163906875529 327813751058 655627502116 1311255004232