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69444444444 = 22312107477991
BaseRepresentation
bin100000010101100110…
…1100010000100011100
320122020200222021220220
41000223031202010130
52114210234210234
651522523241340
75005620016104
oct1005315420434
9218220867826
1069444444444
11274a663aa51
1211560979250
13671931055b
14350ad1c204
151c16971a49
hex102b36211c

69444444444 has 24 divisors (see below), whose sum is σ = 162050759808. Its totient is φ = 23146187760.

The previous prime is 69444444427. The next prime is 69444444451. The reversal of 69444444444 is 44444444496.

69444444444 is a modest number, since divided by 444444 gives 69444 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93712 + ... + 384279.

It is an arithmetic number, because the mean of its divisors is an integer number (6752114992).

Almost surely, 269444444444 is an apocalyptic number.

It is an amenable number.

69444444444 is an abundant number, since it is smaller than the sum of its proper divisors (92606315364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69444444444 is a wasteful number, since it uses less digits than its factorization.

69444444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490105 (or 490103 counting only the distinct ones).

The product of its digits is 14155776, while the sum is 51.

The spelling of 69444444444 in words is "sixty-nine billion, four hundred forty-four million, four hundred forty-four thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 12107 24214 36321 48428 72642 145284 477991 955982 1433973 1911964 2867946 5735892 5787037037 11574074074 17361111111 23148148148 34722222222 69444444444