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13785460340 = 2254141940123
BaseRepresentation
bin11001101011010110…
…10110111001110100
31022120201202221111012
430311223112321310
5211213034212330
610155530131352
7665421323321
oct146553267164
938521687435
1013785460340
115934595433
122808880b58
1313b9033932
1494abcbb48
1555a3a5c95
hex335ad6e74

13785460340 has 48 divisors (see below), whose sum is σ = 29727069120. Its totient is φ = 5366718720.

The previous prime is 13785460301. The next prime is 13785460369. The reversal of 13785460340 is 4306458731.

It is a Harshad number since it is a multiple of its sum of digits (41).

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, 323519 + ... + 363641.

It is an arithmetic number, because the mean of its divisors is an integer number (619313940).

Almost surely, 213785460340 is an apocalyptic number.

13785460340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13785460340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14863534560).

13785460340 is an abundant number, since it is smaller than the sum of its proper divisors (15941608780).

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

13785460340 is a wasteful number, since it uses less digits than its factorization.

13785460340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40592 (or 40590 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 13785460340 in words is "thirteen billion, seven hundred eighty-five million, four hundred sixty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 419 820 838 1676 2095 4190 8380 17179 34358 40123 68716 80246 85895 160492 171790 200615 343580 401230 802460 1645043 3290086 6580172 8225215 16450430 16811537 32900860 33623074 67246148 84057685 168115370 336230740 689273017 1378546034 2757092068 3446365085 6892730170 13785460340