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13850207863220 = 2252281730350633
BaseRepresentation
bin1100100110001100000010…
…1110000100000110110100
31211001001210210120222121202
43021203000232010012310
53303410211203110340
645242410405432032
72626434030243401
oct311430056040664
954031723528552
1013850207863220
11445a9272a0223
12167831a70b618
137960b8782ba1
1435c4d45492a8
151904206ccc15
hexc98c0b841b4

13850207863220 has 24 divisors (see below), whose sum is σ = 29086712197704. Its totient is φ = 5539840157696.

The previous prime is 13850207863201. The next prime is 13850207863243. The reversal of 13850207863220 is 2236870205831.

It can be written as a sum of positive squares in 4 ways, for example, as 7122087788176 + 6728120075044 = 2668724^2 + 2593862^2 .

It is a super-2 number, since 2×138502078632202 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14718977 + ... + 15631656.

It is an arithmetic number, because the mean of its divisors is an integer number (1211946341571).

Almost surely, 213850207863220 is an apocalyptic number.

13850207863220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13850207863220 is an abundant number, since it is smaller than the sum of its proper divisors (15236504334484).

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

13850207863220 is a wasteful number, since it uses less digits than its factorization.

13850207863220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30373459 (or 30373457 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 13850207863220 in words is "thirteen trillion, eight hundred fifty billion, two hundred seven million, eight hundred sixty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 22817 45634 91268 114085 228170 456340 30350633 60701266 121402532 151753165 303506330 607012660 692510393161 1385020786322 2770041572644 3462551965805 6925103931610 13850207863220