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8970068688 = 243726696633
BaseRepresentation
bin10000101101010100…
…00110001011010000
3212011010202200222020
420112222012023100
5121332314144223
64042031411440
7435200216520
oct102652061320
925133680866
108970068688
113893408409
1218a4083b80
13acc500669
14611463680
153777681e3
hex216a862d0

8970068688 has 40 divisors (see below), whose sum is σ = 26483060928. Its totient is φ = 2562876672.

The previous prime is 8970068641. The next prime is 8970068699. The reversal of 8970068688 is 8868600798.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13347981 + ... + 13348652.

Almost surely, 28970068688 is an apocalyptic number.

It is an amenable number.

8970068688 is an abundant number, since it is smaller than the sum of its proper divisors (17512992240).

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

8970068688 is a wasteful number, since it uses less digits than its factorization.

8970068688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26696651 (or 26696645 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 60.

The square root of 8970068688 is about 94710.4465621401. The cubic root of 8970068688 is about 2077.7753495451.

The spelling of 8970068688 in words is "eight billion, nine hundred seventy million, sixty-eight thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 26696633 53393266 80089899 106786532 160179798 186876431 213573064 320359596 373752862 427146128 560629293 640719192 747505724 1121258586 1281438384 1495011448 2242517172 2990022896 4485034344 8970068688