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3969050029 = 7281001021
BaseRepresentation
bin1110110010010010…
…1110010110101101
3101020121110122001221
43230210232112231
531112034100104
61453502303341
7200233240300
oct35444562655
911217418057
103969050029
11175747503a
12929287b51
134b33a6219
142991b8b37
151836aec54
hexec92e5ad

3969050029 has 6 divisors (see below), whose sum is σ = 4617058254. Its totient is φ = 3402042840.

The previous prime is 3969050009. The next prime is 3969050093. The reversal of 3969050029 is 9200509693.

It can be written as a sum of positive squares in only one way, i.e., 3266694025 + 702356004 = 57155^2 + 26502^2 .

It is a de Polignac number, because none of the positive numbers 2k-3969050029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3969050009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40500462 + ... + 40500559.

It is an arithmetic number, because the mean of its divisors is an integer number (769509709).

Almost surely, 23969050029 is an apocalyptic number.

It is an amenable number.

3969050029 is a deficient number, since it is larger than the sum of its proper divisors (648008225).

3969050029 is an equidigital number, since it uses as much as digits as its factorization.

3969050029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81001035 (or 81001028 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 43.

The square root of 3969050029 is about 63000.3970543043. The cubic root of 3969050029 is about 1583.2962787659.

The spelling of 3969050029 in words is "three billion, nine hundred sixty-nine million, fifty thousand, twenty-nine".

Divisors: 1 7 49 81001021 567007147 3969050029