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2788481380263 = 323178372265671
BaseRepresentation
bin101000100100111110011…
…100010010111110100111
3100212120120001200002011220
4220210332130102332213
5331141302213132023
65533002145231423
7405314111440245
oct50447634227647
910776501602156
102788481380263
11985652053037
12390514932573
13172c50012207
1498d6b103795
154c804e3a3e3
hex2893e712fa7

2788481380263 has 16 divisors (see below), whose sum is σ = 3879845485056. Its totient is φ = 1778061565280.

The previous prime is 2788481380259. The next prime is 2788481380283. The reversal of 2788481380263 is 3620831848872.

It is a cyclic number.

It is not a de Polignac number, because 2788481380263 - 22 = 2788481380259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2788481380197 and 2788481380206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2788481380283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97918 + ... + 2363588.

It is an arithmetic number, because the mean of its divisors is an integer number (242490342816).

Almost surely, 22788481380263 is an apocalyptic number.

2788481380263 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2788481380263 is a deficient number, since it is larger than the sum of its proper divisors (1091364104793).

2788481380263 is a wasteful number, since it uses less digits than its factorization.

2788481380263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283534.

The product of its (nonzero) digits is 24772608, while the sum is 60.

The spelling of 2788481380263 in words is "two trillion, seven hundred eighty-eight billion, four hundred eighty-one million, three hundred eighty thousand, two hundred sixty-three".

Divisors: 1 3 23 69 17837 53511 410251 1230753 2265671 6797013 52110433 156331299 40412773627 121238320881 929493793421 2788481380263