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769679976968 = 237219211348907
BaseRepresentation
bin10110011001101001000…
…00000110101000001000
32201120200022122222112122
423030310200012220020
5100102301033230333
61345330333030412
7106415246600300
oct13146440065010
92646608588478
10769679976968
11277468310721
12105204325408
13577714c5a46
1429377614600
151504b551798
hexb334806a08

769679976968 has 96 divisors (see below), whose sum is σ = 1767994855200. Its totient is φ = 312347363328.

The previous prime is 769679976917. The next prime is 769679976973. The reversal of 769679976968 is 869679976967.

It is a super-2 number, since 2×7696799769682 (a number of 25 digits) contains 22 as substring.

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, 15713171 + ... + 15762077.

It is an arithmetic number, because the mean of its divisors is an integer number (18416613075).

Almost surely, 2769679976968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 769679976968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (883997427600).

769679976968 is an abundant number, since it is smaller than the sum of its proper divisors (998314878232).

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

769679976968 is a wasteful number, since it uses less digits than its factorization.

769679976968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51059 (or 51048 counting only the distinct ones).

The product of its digits is 23332385664, while the sum is 89.

Subtracting 769679976968 from its reverse (869679976967), we obtain a palindrome (99999999999).

The spelling of 769679976968 in words is "seven hundred sixty-nine billion, six hundred seventy-nine million, nine hundred seventy-six thousand, nine hundred sixty-eight".

Divisors: 1 2 4 7 8 14 19 28 38 49 56 76 98 133 152 196 266 392 532 931 1064 1862 2113 3724 4226 7448 8452 14791 16904 29582 40147 48907 59164 80294 97814 103537 118328 160588 195628 207074 281029 321176 342349 391256 414148 562058 684698 828296 929233 1124116 1369396 1858466 1967203 2248232 2396443 2738792 3716932 3934406 4792886 6504631 7433864 7868812 9585772 13009262 15737624 19171544 26018524 45532417 52037048 91064834 103340491 182129668 206680982 364259336 413361964 723383437 826723928 1446766874 1963469329 2893533748 3926938658 5063684059 5787067496 7853877316 10127368118 13744285303 15707754632 20254736236 27488570606 40509472472 54977141212 96209997121 109954282424 192419994242 384839988484 769679976968