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53849684670 = 235171918130703
BaseRepresentation
bin110010001001101100…
…001111101010111110
312010222212200102012120
4302021230033222332
51340241004402140
640423241343410
73614305524135
oct621154175276
9163885612176
1053849684670
112092381a131
12a52a197b66
1351024b1b52
14286bb1691c
1516028271d0
hexc89b0fabe

53849684670 has 128 divisors (see below), whose sum is σ = 144844277760. Its totient is φ = 12732733440.

The previous prime is 53849684659. The next prime is 53849684683. The reversal of 53849684670 is 7648694835.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1738539 + ... + 1769241.

It is an arithmetic number, because the mean of its divisors is an integer number (1131595920).

Almost surely, 253849684670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53849684670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72422138880).

53849684670 is an abundant number, since it is smaller than the sum of its proper divisors (90994593090).

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

53849684670 is a wasteful number, since it uses less digits than its factorization.

53849684670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30930.

The product of its (nonzero) digits is 34836480, while the sum is 60.

The spelling of 53849684670 in words is "fifty-three billion, eight hundred forty-nine million, six hundred eighty-four thousand, six hundred seventy".

Divisors: 1 2 3 5 6 10 15 17 19 30 34 38 51 57 85 95 102 114 170 181 190 255 285 323 362 510 543 570 646 905 969 1086 1615 1810 1938 2715 3077 3230 3439 4845 5430 6154 6878 9231 9690 10317 15385 17195 18462 20634 30703 30770 34390 46155 51585 58463 61406 92109 92310 103170 116926 153515 175389 184218 292315 307030 350778 460545 521951 583357 584630 876945 921090 1043902 1166714 1565853 1750071 1753890 2609755 2916785 3131706 3500142 5219510 5557243 5833570 7829265 8750355 9917069 11114486 15658530 16671729 17500710 19834138 27786215 29751207 33343458 49585345 55572430 59502414 83358645 94473131 99170690 105587617 148756035 166717290 188946262 211175234 283419393 297512070 316762851 472365655 527938085 566838786 633525702 944731310 1055876170 1417096965 1583814255 1794989489 2834193930 3167628510 3589978978 5384968467 8974947445 10769936934 17949894890 26924842335 53849684670