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1312043355310 = 254321992931217
BaseRepresentation
bin10011000101111011111…
…000001100110010101110
311122102121120001021212211
4103011323320030302232
5132444031044332220
62442424442321034
7163535441336422
oct23057370146256
94572546037784
101312043355310
114664862a62a6
121923487b917a
139695722ba9c
1447708c50b82
15241e13abb5a
hex1317be0ccae

1312043355310 has 96 divisors (see below), whose sum is σ = 2440325361600. Its totient is φ = 507877945344.

The previous prime is 1312043355307. The next prime is 1312043355319. The reversal of 1312043355310 is 135533402131.

It is a happy number.

It is a super-2 number, since 2×13120433553102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312043355319) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1078095822 + ... + 1078097038.

It is an arithmetic number, because the mean of its divisors is an integer number (25420055850).

Almost surely, 21312043355310 is an apocalyptic number.

1312043355310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312043355310 is a deficient number, since it is larger than the sum of its proper divisors (1128282006290).

1312043355310 is a wasteful number, since it uses less digits than its factorization.

1312043355310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802 (or 1759 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 1312043355310 its reverse (135533402131), we get a palindrome (1447576757441).

The spelling of 1312043355310 in words is "one trillion, three hundred twelve billion, forty-three million, three hundred fifty-five thousand, three hundred ten".

Divisors: 1 2 5 10 43 86 199 215 293 398 430 586 995 1217 1465 1849 1990 2434 2930 3698 6085 8557 9245 12170 12599 17114 18490 25198 42785 52331 58307 62995 85570 104662 116614 125990 242183 261655 291535 356581 367951 484366 523310 541757 583070 713162 735902 1083514 1210915 1782905 1839755 2250233 2421830 2507201 2708785 3565810 3679510 4500466 5014402 5417570 10413869 11251165 12536005 15332983 20827738 22502330 25072010 30665966 52069345 70959619 76664915 104138690 107809643 141919238 153329830 215619286 354798095 447796367 539048215 659318269 709596190 895592734 1078096430 1318636538 2238981835 3051263617 3296591345 4477963670 6102527234 6593182690 15256318085 30512636170 131204335531 262408671062 656021677655 1312043355310