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6481789294994 = 213735636065831
BaseRepresentation
bin101111001010010100010…
…1111111001100110010010
3211221122122001002121011222
41132110220233321212102
51322144201024414434
621441405355405042
71236202531644236
oct136245057714622
924848561077158
106481789294994
112079a03093722
1288826a153782
133802cb715580
14185a126185c6
15b3915e9172e
hex5e528bf9992

6481789294994 has 32 divisors (see below), whose sum is σ = 10632869702784. Its totient is φ = 2945372941440.

The previous prime is 6481789294919. The next prime is 6481789294997. The reversal of 6481789294994 is 4994929871846.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6481789294997) 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, 1964342 + ... + 4101489.

It is an arithmetic number, because the mean of its divisors is an integer number (332277178212).

Almost surely, 26481789294994 is an apocalyptic number.

6481789294994 is a deficient number, since it is larger than the sum of its proper divisors (4151080407790).

6481789294994 is a wasteful number, since it uses less digits than its factorization.

6481789294994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6066482.

The product of its digits is 2257403904, while the sum is 80.

The spelling of 6481789294994 in words is "six trillion, four hundred eighty-one billion, seven hundred eighty-nine million, two hundred ninety-four thousand, nine hundred ninety-four".

Divisors: 1 2 13 26 73 146 563 949 1126 1898 7319 14638 41099 82198 534287 1068574 6065831 12131662 78855803 157711606 442805663 885611326 3415062853 5756473619 6830125706 11512947238 44395817089 88791634178 249299588269 498599176538 3240894647497 6481789294994