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140544431040 = 26351311261573
BaseRepresentation
bin1000001011100100011…
…0011101001111000000
3111102202210010211201210
42002321012131033000
54300313333243130
6144322030530120
713103551644546
oct2027106351700
9442683124653
10140544431040
1154671738252
12232a4066940
131033a602740
146b33a6bd96
1539c89145b0
hex20b919d3c0

140544431040 has 112 divisors (see below), whose sum is σ = 480553885728. Its totient is φ = 34595549184.

The previous prime is 140544431011. The next prime is 140544431047. The reversal of 140544431040 is 40134445041.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 140544430989 and 140544431007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140544431047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5618307 + ... + 5643266.

It is an arithmetic number, because the mean of its divisors is an integer number (4290659694).

Almost surely, 2140544431040 is an apocalyptic number.

140544431040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140544431040 is an abundant number, since it is smaller than the sum of its proper divisors (340009454688).

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

140544431040 is a wasteful number, since it uses less digits than its factorization.

140544431040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11261606 (or 11261596 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 140544431040 its reverse (40134445041), we get a palindrome (180678876081).

The spelling of 140544431040 in words is "one hundred forty billion, five hundred forty-four million, four hundred thirty-one thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 64 65 78 80 96 104 120 130 156 160 192 195 208 240 260 312 320 390 416 480 520 624 780 832 960 1040 1248 1560 2080 2496 3120 4160 6240 12480 11261573 22523146 33784719 45046292 56307865 67569438 90092584 112615730 135138876 146400449 168923595 180185168 225231460 270277752 292800898 337847190 360370336 439201347 450462920 540555504 585601796 675694380 720740672 732002245 878402694 900925840 1081111008 1171203592 1351388760 1464004490 1756805388 1801851680 2162222016 2196006735 2342407184 2702777520 2928008980 3513610776 3603703360 4392013470 4684814368 5405555040 5856017960 7027221552 8784026940 9369628736 10811110080 11712035920 14054443104 17568053880 23424071840 28108886208 35136107760 46848143680 70272215520 140544431040