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104519868640 = 25511385315413
BaseRepresentation
bin110000101010111011…
…1101010000011100000
3100222210011120110101221
41201111313222003200
53203024041244030
6120003223304424
710360046140045
oct1412567520340
9328704513357
10104519868640
1140365817330
121830b5ab114
139b19051925
1450b745d1cc
152abae4ee7a
hex1855dea0e0

104519868640 has 96 divisors (see below), whose sum is σ = 269463602016. Its totient is φ = 37994895360.

The previous prime is 104519868631. The next prime is 104519868689. The reversal of 104519868640 is 46868915401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6773574 + ... + 6788986.

It is an arithmetic number, because the mean of its divisors is an integer number (2806912521).

Almost surely, 2104519868640 is an apocalyptic number.

104519868640 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 104519868640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134731801008).

104519868640 is an abundant number, since it is smaller than the sum of its proper divisors (164943733376).

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

104519868640 is a wasteful number, since it uses less digits than its factorization.

104519868640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19292 (or 19284 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 52.

The spelling of 104519868640 in words is "one hundred four billion, five hundred nineteen million, eight hundred sixty-eight thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 160 176 220 352 440 880 1760 3853 7706 15412 15413 19265 30824 30826 38530 42383 61648 61652 77060 77065 84766 123296 123304 154120 154130 169532 169543 211915 246608 308240 308260 339064 339086 423830 493216 616480 616520 678128 678172 847660 847715 1233040 1356256 1356344 1695320 1695430 2466080 2712688 3390640 3390860 5425376 6781280 6781720 13563440 27126880 59386289 118772578 237545156 296931445 475090312 593862890 653249179 950180624 1187725780 1306498358 1900361248 2375451560 2612996716 3266245895 4750903120 5225993432 6532491790 9501806240 10451986864 13064983580 20903973728 26129967160 52259934320 104519868640