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140251939344280 = 235193134717155529
BaseRepresentation
bin11111111000111011110011…
…000001100000111110011000
3200101120221202210120021221101
4133320323303001200332120
5121340341432433004110
61214142503525321144
741353603542262561
oct3770736301407630
9611527683507841
10140251939344280
1140763571443565
12138919228661b4
1360349164ca38a
14268c3314c9168
15113341c6d613a
hex7f8ef3060f98

140251939344280 has 128 divisors (see below), whose sum is σ = 343879167744000. Its totient is φ = 51285421624320.

The previous prime is 140251939344271. The next prime is 140251939344323. The reversal of 140251939344280 is 82443939152041.

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, 402445 + ... + 16753084.

It is an arithmetic number, because the mean of its divisors is an integer number (2686555998000).

Almost surely, 2140251939344280 is an apocalyptic number.

140251939344280 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 140251939344280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171939583872000).

140251939344280 is an abundant number, since it is smaller than the sum of its proper divisors (203627228399720).

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

140251939344280 is a wasteful number, since it uses less digits than its factorization.

140251939344280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17155937 (or 17155933 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 140251939344280 in words is "one hundred forty trillion, two hundred fifty-one billion, nine hundred thirty-nine million, three hundred forty-four thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 19 20 31 38 40 62 76 95 124 152 155 190 248 310 347 380 589 620 694 760 1178 1240 1388 1735 2356 2776 2945 3470 4712 5890 6593 6940 10757 11780 13186 13880 21514 23560 26372 32965 43028 52744 53785 65930 86056 107570 131860 204383 215140 263720 408766 430280 817532 1021915 1635064 2043830 4087660 8175320 17155529 34311058 68622116 85777645 137244232 171555290 325955051 343110580 531821399 651910102 686221160 1063642798 1303820204 1629775255 2127285596 2607640408 2659106995 3259550510 4254571192 5318213990 5952968563 6519101020 10104606581 10636427980 11905937126 13038202040 20209213162 21272855960 23811874252 29764842815 40418426324 47623748504 50523032905 59529685630 80836852648 101046065810 113106402697 119059371260 184542025453 202092131620 226212805394 238118742520 369084050906 404184263240 452425610788 565532013485 738168101812 904851221576 922710127265 1131064026970 1476336203624 1845420254530 2262128053940 3506298483607 3690840509060 4524256107880 7012596967214 7381681018120 14025193934428 17531492418035 28050387868856 35062984836070 70125969672140 140251939344280