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41386612969 = 132156492
BaseRepresentation
bin100110100010110101…
…011001100011101001
310221211022012202220101
4212202311121203221
51134224433103334
631002430425401
72663412256132
oct464265314351
9127738182811
1041386612969
1116608733979
128030362261
133b97424900
1420087d6c89
1511235d5214
hex9a2d598e9

41386612969 has 9 divisors (see below), whose sum is σ = 44817953733. Its totient is φ = 38200586112.

The previous prime is 41386612921. The next prime is 41386612997. The reversal of 41386612969 is 96921668314.

It is a happy number.

The square root of 41386612969 is 203437.

It is a perfect power (a square), and thus also a powerful number.

41386612969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 19419816025 + 21966796944 = 139355^2 + 148212^2 .

It is not a de Polignac number, because 41386612969 - 227 = 41252395241 is a prime.

It is a super-2 number, since 2×413866129692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41386612909) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2636857 + ... + 2652505.

It is an arithmetic number, because the mean of its divisors is an integer number (4979772637).

Almost surely, 241386612969 is an apocalyptic number.

41386612969 is the 203437-th square number.

41386612969 is the 101719-th centered octagonal number.

It is an amenable number.

41386612969 is a deficient number, since it is larger than the sum of its proper divisors (3431340764).

41386612969 is an frugal number, since it uses more digits than its factorization.

41386612969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31324 (or 15662 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 55.

The spelling of 41386612969 in words is "forty-one billion, three hundred eighty-six million, six hundred twelve thousand, nine hundred sixty-nine".

Divisors: 1 13 169 15649 203437 2644681 244891201 3183585613 41386612969