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6989505432 = 2337213457189
BaseRepresentation
bin1101000001001101…
…10110001110011000
3200001002222122221120
412200212312032120
5103303303133212
63113321205240
7335130546600
oct64046661630
920032878846
106989505432
112a67436978
121430930820
138750a0240
144a43c7c00
152ad94488c
hex1a09b6398

6989505432 has 96 divisors (see below), whose sum is σ = 21890257200. Its totient is φ = 1843382016.

The previous prime is 6989505403. The next prime is 6989505521. The reversal of 6989505432 is 2345059896.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213307 + ... + 243882.

Almost surely, 26989505432 is an apocalyptic number.

It is an amenable number.

6989505432 is an abundant number, since it is smaller than the sum of its proper divisors (14900751768).

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

6989505432 is a wasteful number, since it uses less digits than its factorization.

6989505432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457225 (or 457214 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 51.

The square root of 6989505432 is about 83603.2620894663. The cubic root of 6989505432 is about 1911.9747338561.

The spelling of 6989505432 in words is "six billion, nine hundred eighty-nine million, five hundred five thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 7 8 12 13 14 21 24 26 28 39 42 49 52 56 78 84 91 98 104 147 156 168 182 196 273 294 312 364 392 546 588 637 728 1092 1176 1274 1911 2184 2548 3822 5096 7644 15288 457189 914378 1371567 1828756 2743134 3200323 3657512 5486268 5943457 6400646 9600969 10972536 11886914 12801292 17830371 19201938 22402261 23773828 25602584 35660742 38403876 41604199 44804522 47547656 67206783 71321484 76807752 83208398 89609044 124812597 134413566 142642968 166416796 179218088 249625194 268827132 291229393 332833592 499250388 537654264 582458786 873688179 998500776 1164917572 1747376358 2329835144 3494752716 6989505432