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4803781981686 = 231871942770999
BaseRepresentation
bin100010111100111011110…
…1101111111010111110110
3122000020101211022000110120
41011321313231333113312
51112201121141403221
614114454343232410
71004030124060612
oct105716755772766
918006354260416
104803781981686
1115922aa770166
12657008a48706
1328acc147109c
1412870baa6342
1584e563095c6
hex45e77b7f5f6

4803781981686 has 16 divisors (see below), whose sum is σ = 9608077440000. Its totient is φ = 1601175081128.

The previous prime is 4803781981673. The next prime is 4803781981699. The reversal of 4803781981686 is 6861891873084.

It is an interprime number because it is at equal distance from previous prime (4803781981673) and next prime (4803781981699).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4803781981686.

It is a congruent number.

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, 21273186 + ... + 21497813.

It is an arithmetic number, because the mean of its divisors is an integer number (600504840000).

Almost surely, 24803781981686 is an apocalyptic number.

4803781981686 is an abundant number, since it is smaller than the sum of its proper divisors (4804295458314).

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

4803781981686 is a wasteful number, since it uses less digits than its factorization.

4803781981686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42789723.

The product of its (nonzero) digits is 111476736, while the sum is 69.

The spelling of 4803781981686 in words is "four trillion, eight hundred three billion, seven hundred eighty-one million, nine hundred eighty-one thousand, six hundred eighty-six".

Divisors: 1 2 3 6 18719 37438 56157 112314 42770999 85541998 128312997 256625994 800630330281 1601260660562 2401890990843 4803781981686