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16869941784 = 23321382916943
BaseRepresentation
bin11111011011000011…
…01110001000011000
31121112200202211120200
433231201232020120
5234022201114114
611425553222200
71135024065513
oct175541561030
947480684520
1016869941784
117177707a53
123329861960
13178b087297
14b60705d7a
1568b086409
hex3ed86e218

16869941784 has 48 divisors (see below), whose sum is σ = 45695426400. Its totient is φ = 5622575424.

The previous prime is 16869941779. The next prime is 16869941791. The reversal of 16869941784 is 48714996861.

16869941784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 987217 + ... + 1004159.

It is an arithmetic number, because the mean of its divisors is an integer number (951988050).

Almost surely, 216869941784 is an apocalyptic number.

It is an amenable number.

16869941784 is an abundant number, since it is smaller than the sum of its proper divisors (28825484616).

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

16869941784 is a wasteful number, since it uses less digits than its factorization.

16869941784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30784 (or 30777 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 63.

The spelling of 16869941784 in words is "sixteen billion, eight hundred sixty-nine million, nine hundred forty-one thousand, seven hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 13829 16943 27658 33886 41487 50829 55316 67772 82974 101658 110632 124461 135544 152487 165948 203316 248922 304974 331896 406632 497844 609948 995688 1219896 234304747 468609494 702914241 937218988 1405828482 1874437976 2108742723 2811656964 4217485446 5623313928 8434970892 16869941784