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105294646392 = 233132317981973
BaseRepresentation
bin110001000010000001…
…1001100110001111000
3101001210011110020200020
41202010003030301320
53211120412141032
6120212141410440
710415204504235
oct1420403146170
9331704406606
10105294646392
11407230a0321
12184a6b69a20
139c107133c0
14514c30078c
152b13e93b2c
hex18840ccc78

105294646392 has 128 divisors (see below), whose sum is σ = 297467251200. Its totient is φ = 30816225792.

The previous prime is 105294646363. The next prime is 105294646409. The reversal of 105294646392 is 293646492501.

It is a super-2 number, since 2×1052946463922 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 1243518 + ... + 1325490.

It is an arithmetic number, because the mean of its divisors is an integer number (2323962900).

Almost surely, 2105294646392 is an apocalyptic number.

105294646392 is a gapful number since it is divisible by the number (12) 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 105294646392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148733625600).

105294646392 is an abundant number, since it is smaller than the sum of its proper divisors (192172604808).

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

105294646392 is a wasteful number, since it uses less digits than its factorization.

105294646392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82197 (or 82193 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 51.

The spelling of 105294646392 in words is "one hundred five billion, two hundred ninety-four million, six hundred forty-six thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 13 23 24 26 39 46 52 69 78 92 104 138 156 179 184 276 299 312 358 537 552 598 716 897 1074 1196 1432 1794 2148 2327 2392 3588 4117 4296 4654 6981 7176 8234 9308 12351 13962 16468 18616 24702 27924 32936 49404 53521 55848 81973 98808 107042 160563 163946 214084 245919 321126 327892 428168 491838 642252 655784 983676 1065649 1284504 1885379 1967352 2131298 3196947 3770758 4262596 5656137 6393894 7541516 8525192 11312274 12787788 14673167 15083032 22624548 24509927 25575576 29346334 44019501 45249096 49019854 58692668 73529781 88039002 98039708 117385336 147059562 176078004 190751171 196079416 294119124 337482841 352156008 381502342 572253513 588238248 674965682 763004684 1012448523 1144507026 1349931364 1526009368 2024897046 2289014052 2699862728 4049794092 4387276933 4578028104 8099588184 8774553866 13161830799 17549107732 26323661598 35098215464 52647323196 105294646392