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2741021247643 = 71725325564697
BaseRepresentation
bin100111111000110001100…
…110010000100010011011
3100201001001111001112121021
4213320301212100202123
5324402102414411033
65455112514023311
7402014030116540
oct47706146204233
910631044045537
102741021247643
11967508043a38
1238328a577b37
1316b62851ccc3
1496947c40bc7
154b478548b2d
hex27e3199089b

2741021247643 has 24 divisors (see below), whose sum is σ = 3390492507552. Its totient is φ = 2169522361344.

The previous prime is 2741021247641. The next prime is 2741021247647. The reversal of 2741021247643 is 3467421201472.

It is not a de Polignac number, because 2741021247643 - 21 = 2741021247641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2741021247643.

It is not an unprimeable number, because it can be changed into a prime (2741021247641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12675130 + ... + 12889567.

It is an arithmetic number, because the mean of its divisors is an integer number (141270521148).

Almost surely, 22741021247643 is an apocalyptic number.

2741021247643 is a deficient number, since it is larger than the sum of its proper divisors (649471259909).

2741021247643 is a wasteful number, since it uses less digits than its factorization.

2741021247643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25564791 (or 25564774 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 43.

The spelling of 2741021247643 in words is "two trillion, seven hundred forty-one billion, twenty-one million, two hundred forty-seven thousand, six hundred forty-three".

Divisors: 1 7 17 53 119 289 371 901 2023 6307 15317 107219 25564697 178952879 434599849 1354928941 3042198943 7388197433 9484502587 23033791997 51717382031 161236543979 391574463949 2741021247643