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34050641989 = 7213338915773
BaseRepresentation
bin11111101101100100…
…111001000001000101
310020220001021211120111
4133231210321001011
51024213431020424
623350451233021
72313543452500
oct375544710105
9106801254514
1034050641989
1113493777341
1267235a8771
133298638190
1419103c2137
15d44554194
hex7ed939045

34050641989 has 24 divisors (see below), whose sum is σ = 42672140280. Its totient is φ = 26931510144.

The previous prime is 34050641923. The next prime is 34050642019. The reversal of 34050641989 is 98914605043.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9222337089 + 24828304900 = 96033^2 + 157570^2 .

It is not a de Polignac number, because 34050641989 - 211 = 34050639941 is a prime.

It is a super-2 number, since 2×340506419892 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34050641909) 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, 2150907 + ... + 2166679.

It is an arithmetic number, because the mean of its divisors is an integer number (1778005845).

Almost surely, 234050641989 is an apocalyptic number.

It is an amenable number.

34050641989 is a deficient number, since it is larger than the sum of its proper divisors (8621498291).

34050641989 is a wasteful number, since it uses less digits than its factorization.

34050641989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19189 (or 19182 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 34050641989 in words is "thirty-four billion, fifty million, six hundred forty-one thousand, nine hundred eighty-nine".

Divisors: 1 7 13 49 91 637 3389 15773 23723 44057 110411 166061 205049 308399 772877 1435343 2158793 10047401 53454697 374182879 694911061 2619280153 4864377427 34050641989