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11603513312420 = 2251015744313521
BaseRepresentation
bin1010100011011010011101…
…0010100000010010100100
31112002021200210102111101212
42220312213102200102210
53010102443401444140
640402325212210552
72305216606534601
oct250664722402244
945067623374355
1011603513312420
113774027842097
121374a09169a58
1366228bbcc343
142c18822816a8
15151c79bb3765
hexa8da74a04a4

11603513312420 has 24 divisors (see below), whose sum is σ = 24608639128248. Its totient is φ = 4595450816000.

The previous prime is 11603513312399. The next prime is 11603513312471. The reversal of 11603513312420 is 2421331530611.

It can be written as a sum of positive squares in 4 ways, for example, as 7404972979264 + 4198540333156 = 2721208^2 + 2049034^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2872154741 + ... + 2872158780.

It is an arithmetic number, because the mean of its divisors is an integer number (1025359963677).

Almost surely, 211603513312420 is an apocalyptic number.

11603513312420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11603513312420 is an abundant number, since it is smaller than the sum of its proper divisors (13005125815828).

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

11603513312420 is a wasteful number, since it uses less digits than its factorization.

11603513312420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5744313631 (or 5744313629 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 11603513312420 in words is "eleven trillion, six hundred three billion, five hundred thirteen million, three hundred twelve thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 101 202 404 505 1010 2020 5744313521 11488627042 22977254084 28721567605 57443135210 114886270420 580175665621 1160351331242 2320702662484 2900878328105 5801756656210 11603513312420