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7444490078893 = 72237126392693
BaseRepresentation
bin110110001010100111000…
…1011111100101010101101
3222100200112022110112011211
41230111032023330222231
51433432303430011033
623455541310314421
71365563255412100
oct154251613745255
928320468415154
107444490078893
11241021063248a
12a029607b8a11
1342002132b02a
141ba45b04c737
15cd9acdad2cd
hex6c54e2fcaad

7444490078893 has 24 divisors (see below), whose sum is σ = 9036659455488. Its totient is φ = 6103405588896.

The previous prime is 7444490078891. The next prime is 7444490078923. The reversal of 7444490078893 is 3988700944447.

It is not a de Polignac number, because 7444490078893 - 21 = 7444490078891 is a prime.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7444490078891) 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, 80267055 + ... + 80359747.

It is an arithmetic number, because the mean of its divisors is an integer number (376527477312).

Almost surely, 27444490078893 is an apocalyptic number.

It is an amenable number.

7444490078893 is a deficient number, since it is larger than the sum of its proper divisors (1592169376595).

7444490078893 is a wasteful number, since it uses less digits than its factorization.

7444490078893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163993 (or 163986 counting only the distinct ones).

The product of its (nonzero) digits is 195084288, while the sum is 67.

The spelling of 7444490078893 in words is "seven trillion, four hundred forty-four billion, four hundred ninety million, seventy-eight thousand, eight hundred ninety-three".

Divisors: 1 7 23 49 161 1127 71263 92693 498841 648851 1639049 2131939 3491887 4541957 11473343 14923573 80313401 104465011 6605581259 46239068813 151928368957 323673481691 1063498582699 7444490078893