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383137968969 = 3372027185021
BaseRepresentation
bin1011001001101001100…
…11010111001101001001
31100121221112200102221000
411210310303113031021
522234131310001334
6452002224205213
736452342000460
oct5446463271511
91317845612830
10383137968969
11138540438968
1262308169809
132a18c0c39a2
14147889599d7
159e763c6299
hex5934cd7349

383137968969 has 16 divisors (see below), whose sum is σ = 648699207040. Its totient is φ = 218935982160.

The previous prime is 383137968947. The next prime is 383137968977. The reversal of 383137968969 is 969869731383.

It is not a de Polignac number, because 383137968969 - 211 = 383137966921 is a prime.

It is a super-2 number, since 2×3831379689692 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 383137968897 and 383137968906.

It is not an unprimeable number, because it can be changed into a prime (383137968919) 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, 1013592322 + ... + 1013592699.

It is an arithmetic number, because the mean of its divisors is an integer number (40543700440).

Almost surely, 2383137968969 is an apocalyptic number.

It is an amenable number.

383137968969 is a deficient number, since it is larger than the sum of its proper divisors (265561238071).

383137968969 is a wasteful number, since it uses less digits than its factorization.

383137968969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027185037 (or 2027185031 counting only the distinct ones).

The product of its digits is 317447424, while the sum is 72.

The spelling of 383137968969 in words is "three hundred eighty-three billion, one hundred thirty-seven million, nine hundred sixty-eight thousand, nine hundred sixty-nine".

Divisors: 1 3 7 9 21 27 63 189 2027185021 6081555063 14190295147 18244665189 42570885441 54733995567 127712656323 383137968969