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105913695720 = 23357661190753
BaseRepresentation
bin110001010100011110…
…0101011110111101000
3101010101022022012201010
41202220330223313220
53213402401230340
6120353414023520
710436432362620
oct1425074536750
9333338265633
10105913695720
1140a1057a238
121863a347ba0
139caba4b791
1451aa605880
152b4d4c5b80
hex18a8f2bde8

105913695720 has 128 divisors (see below), whose sum is σ = 363683946240. Its totient is φ = 24172093440.

The previous prime is 105913695691. The next prime is 105913695733. The reversal of 105913695720 is 27596319501.

It is a super-2 number, since 2×1059136957202 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105913695720.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 459864 + ... + 650616.

It is an arithmetic number, because the mean of its divisors is an integer number (2841280830).

Almost surely, 2105913695720 is an apocalyptic number.

105913695720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105913695720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181841973120).

105913695720 is an abundant number, since it is smaller than the sum of its proper divisors (257770250520).

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

105913695720 is a wasteful number, since it uses less digits than its factorization.

105913695720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191435 (or 191431 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 48.

The spelling of 105913695720 in words is "one hundred five billion, nine hundred thirteen million, six hundred ninety-five thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 661 840 1322 1983 2644 3305 3966 4627 5288 6610 7932 9254 9915 13220 13881 15864 18508 19830 23135 26440 27762 37016 39660 46270 55524 69405 79320 92540 111048 138810 185080 190753 277620 381506 555240 572259 763012 953765 1144518 1335271 1526024 1907530 2289036 2670542 2861295 3815060 4005813 4578072 5341084 5722590 6676355 7630120 8011626 10682168 11445180 13352710 16023252 20029065 22890360 26705420 32046504 40058130 53410840 80116260 126087733 160232520 252175466 378263199 504350932 630438665 756526398 882614131 1008701864 1260877330 1513052796 1765228262 1891315995 2521754660 2647842393 3026105592 3530456524 3782631990 4413070655 5043509320 5295684786 7060913048 7565263980 8826141310 10591369572 13239211965 15130527960 17652282620 21182739144 26478423930 35304565240 52956847860 105913695720