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13112111200340 = 2257164714271841
BaseRepresentation
bin1011111011001110011010…
…1110101111100001010100
31201102111122120111121001202
42332303212232233201110
53204312100431402330
643515342024412032
72522214224155025
oct276634656574124
951374576447052
1013112111200340
1141a58a6a38979
12157926b617018
1374160b695199
143348b576cc4c
1517b121caa445
hexbece6baf854

13112111200340 has 48 divisors (see below), whose sum is σ = 27966416534784. Its totient is φ = 5162980838400.

The previous prime is 13112111200289. The next prime is 13112111200351. The reversal of 13112111200340 is 4300211121131.

It is a super-2 number, since 2×131121112003402 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6217181 + ... + 8054660.

It is an arithmetic number, because the mean of its divisors is an integer number (582633677808).

Almost surely, 213112111200340 is an apocalyptic number.

13112111200340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13112111200340 is an abundant number, since it is smaller than the sum of its proper divisors (14854305334444).

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

13112111200340 is a wasteful number, since it uses less digits than its factorization.

13112111200340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14272568 (or 14272566 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 13112111200340 its reverse (4300211121131), we get a palindrome (17412322321471).

The spelling of 13112111200340 in words is "thirteen trillion, one hundred twelve billion, one hundred eleven million, two hundred thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 71 142 284 355 647 710 1294 1420 2588 3235 6470 12940 45937 91874 183748 229685 459370 918740 14271841 28543682 57087364 71359205 142718410 285436820 1013300711 2026601422 4053202844 5066503555 9233881127 10133007110 18467762254 20266014220 36935524508 46169405635 92338811270 184677622540 655605560017 1311211120034 2622422240068 3278027800085 6556055600170 13112111200340