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101908830768 = 24317219386651
BaseRepresentation
bin101111011101000111…
…1010101101000110000
3100202001012102222210120
41132322033111220300
53132202130041033
6114452151530240
710235252524533
oct1367217255060
9322035388716
10101908830768
113a245972998
1217901089980
1397c11158c4
144d0a786a1a
1529b6ade1b3
hex17ba3d5a30

101908830768 has 120 divisors (see below), whose sum is σ = 294381366720. Its totient is φ = 30288614400.

The previous prime is 101908830757. The next prime is 101908830839. The reversal of 101908830768 is 867038809101.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 101908830768.

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, 70243 + ... + 456893.

It is an arithmetic number, because the mean of its divisors is an integer number (2453178056).

Almost surely, 2101908830768 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 101908830768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147190683360).

101908830768 is an abundant number, since it is smaller than the sum of its proper divisors (192472535952).

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

101908830768 is a wasteful number, since it uses less digits than its factorization.

101908830768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386715 (or 386692 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 51.

The spelling of 101908830768 in words is "one hundred one billion, nine hundred eight million, eight hundred thirty thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 17 19 24 34 38 48 51 57 68 76 102 114 136 152 204 228 272 289 304 323 408 456 578 646 816 867 912 969 1156 1292 1734 1938 2312 2584 3468 3876 4624 5168 5491 6936 7752 10982 13872 15504 16473 21964 32946 43928 65892 87856 131784 263568 386651 773302 1159953 1546604 2319906 3093208 4639812 6186416 6573067 7346369 9279624 13146134 14692738 18559248 19719201 22039107 26292268 29385476 39438402 44078214 52584536 58770952 78876804 88156428 105169072 111742139 117541904 124888273 157753608 176312856 223484278 249776546 315507216 335226417 352625712 374664819 446968556 499553092 670452834 749329638 893937112 999106184 1340905668 1498659276 1787874224 1998212368 2123100641 2681811336 2997318552 4246201282 5363622672 5994637104 6369301923 8492402564 12738603846 16984805128 25477207692 33969610256 50954415384 101908830768