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789970641133 = 41311539941
BaseRepresentation
bin10110111111011011110…
…10110110000011101101
32210112001102010112001211
423133231322312003231
5100420324441004013
61402524004234421
7111034131441502
oct13375572660355
92715042115054
10789970641133
1128502a917a63
1210912769ba11
135965617ccbb
142a34035d4a9
1515837a8523d
hexb7edeb60ed

789970641133 has 16 divisors (see below), whose sum is σ = 810503415792. Its totient is φ = 769957171200.

The previous prime is 789970641121. The next prime is 789970641143. The reversal of 789970641133 is 331146079987.

It can be written as a sum of positive squares in 8 ways, for example, as 781903368009 + 8067273124 = 884253^2 + 89818^2 .

It is not a de Polignac number, because 789970641133 - 221 = 789968543981 is a prime.

It is a super-2 number, since 2×7899706411332 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (789970641143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79460943 + ... + 79470883.

It is an arithmetic number, because the mean of its divisors is an integer number (50656463487).

Almost surely, 2789970641133 is an apocalyptic number.

It is an amenable number.

789970641133 is a deficient number, since it is larger than the sum of its proper divisors (20532774659).

789970641133 is an frugal number, since it uses more digits than its factorization.

789970641133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11217 (or 11135 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 58.

The spelling of 789970641133 in words is "seven hundred eighty-nine billion, nine hundred seventy million, six hundred forty-one thousand, one hundred thirty-three".

Divisors: 1 41 1153 1681 9941 47273 68921 407581 1938193 11461973 16710821 79465913 469940893 685143661 19267576613 789970641133