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105144503768 = 23241115147381
BaseRepresentation
bin110000111101100011…
…0011100110111011000
3101001101200221012201022
41201323012130313120
53210313443110033
6120145215342012
710411402351523
oct1417306346730
9331350835638
10105144503768
1140656370a07
1218464821908
139bb8594605
1451363b9bba
152b05bd7098
hex187b19cdd8

105144503768 has 32 divisors (see below), whose sum is σ = 198140152320. Its totient is φ = 52307520000.

The previous prime is 105144503701. The next prime is 105144503771. The reversal of 105144503768 is 867305441501.

It is a super-2 number, since 2×1051445037682 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2195438 + ... + 2242818.

It is an arithmetic number, because the mean of its divisors is an integer number (6191879760).

Almost surely, 2105144503768 is an apocalyptic number.

It is an amenable number.

105144503768 is a deficient number, since it is larger than the sum of its proper divisors (92995648552).

105144503768 is a wasteful number, since it uses less digits than its factorization.

105144503768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48779 (or 48775 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 105144503768 in words is "one hundred five billion, one hundred forty-four million, five hundred three thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 241 482 964 1151 1928 2302 4604 9208 47381 94762 189524 277391 379048 554782 1109564 2219128 11418821 22837642 45675284 54535531 91350568 109071062 218142124 436284248 13143062971 26286125942 52572251884 105144503768