Search a number
-
+
1311203032302 = 23737923671307
BaseRepresentation
bin10011000101001001110…
…010100111110011101110
311122100102222211110102110
4103011021302213303232
5132440320434013202
62442205223304450
7163505555611212
oct23051162476356
94570388743373
101311203032302
11466094a24179
121921532ab126
13968520cb337
14476693ca942
152419271c26c
hex13149ca7cee

1311203032302 has 96 divisors (see below), whose sum is σ = 2701806976512. Its totient is φ = 424139234688.

The previous prime is 1311203032289. The next prime is 1311203032319. The reversal of 1311203032302 is 2032303021131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1003215133 + ... + 1003216439.

It is an arithmetic number, because the mean of its divisors is an integer number (28143822672).

Almost surely, 21311203032302 is an apocalyptic number.

1311203032302 is an abundant number, since it is smaller than the sum of its proper divisors (1390603944210).

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

1311203032302 is a wasteful number, since it uses less digits than its factorization.

1311203032302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910 (or 1831 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1311203032302 its reverse (2032303021131), we get a palindrome (3343506053433).

The spelling of 1311203032302 in words is "one trillion, three hundred eleven billion, two hundred three million, thirty-two thousand, three hundred two".

Divisors: 1 2 3 6 73 79 146 158 219 237 367 438 474 734 1101 1307 2202 2614 3921 5767 6241 7842 11534 12482 17301 18723 26791 28993 34602 37446 53582 57986 80373 86979 95411 103253 160746 173958 190822 206506 286233 309759 455593 479669 572466 619518 911186 959338 1366779 1439007 2116489 2290447 2733558 2878014 4232978 4580894 6349467 6871341 7537469 8156987 12698934 13742682 15074938 16313974 22612407 24470961 35015837 37893851 45224814 48941922 70031674 75787702 105047511 113681553 167202631 210095022 227363106 334405262 501607893 595460051 1003215786 1190920102 1786380153 2766251123 2993614229 3572760306 5532502246 5987228458 8298753369 8980842687 16597506738 17961685374 218533838717 437067677434 655601516151 1311203032302