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140607085840 = 24513135199121
BaseRepresentation
bin1000001011110011010…
…1011101110100010000
3111102221011001000221221
42002330311131310100
54300430403221330
6144332145454424
713105242336604
oct2027465356420
9442834030857
10140607085840
11546a4041781
1223301041414
131034a59bba0
146b3c0db504
1539ce18db7a
hex20bcd5dd10

140607085840 has 40 divisors (see below), whose sum is σ = 352058513688. Its totient is φ = 51916462080.

The previous prime is 140607085793. The next prime is 140607085921. The reversal of 140607085840 is 48580706041.

It can be written as a sum of positive squares in 4 ways, for example, as 85264 + 140607000576 = 292^2 + 374976^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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, 67598521 + ... + 67600600.

Almost surely, 2140607085840 is an apocalyptic number.

140607085840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140607085840 is an abundant number, since it is smaller than the sum of its proper divisors (211451427848).

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

140607085840 is a wasteful number, since it uses less digits than its factorization.

140607085840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135199147 (or 135199141 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 140607085840 in words is "one hundred forty billion, six hundred seven million, eighty-five thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 135199121 270398242 540796484 675995605 1081592968 1351991210 1757588573 2163185936 2703982420 3515177146 5407964840 7030354292 8787942865 10815929680 14060708584 17575885730 28121417168 35151771460 70303542920 140607085840