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140230323240 = 23357166940861
BaseRepresentation
bin1000001010011001100…
…0001110110000101000
3111101221220002111211120
42002212120032300220
54244142430320430
6144230530255240
713063016036430
oct2024630166050
9441856074746
10140230323240
11545203a8427
1223216a27520
13102ba505437
146b040652c0
1539ab06a610
hex20a660ec28

140230323240 has 64 divisors (see below), whose sum is σ = 480789682560. Its totient is φ = 32052645120.

The previous prime is 140230323239. The next prime is 140230323293. The reversal of 140230323240 is 42323032041.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 140230323240.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83469591 + ... + 83471270.

It is an arithmetic number, because the mean of its divisors is an integer number (7512338790).

Almost surely, 2140230323240 is an apocalyptic number.

140230323240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140230323240 is an abundant number, since it is smaller than the sum of its proper divisors (340559359320).

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

140230323240 is a wasteful number, since it uses less digits than its factorization.

140230323240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166940882 (or 166940878 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 140230323240 its reverse (42323032041), we get a palindrome (182553355281).

The spelling of 140230323240 in words is "one hundred forty billion, two hundred thirty million, three hundred twenty-three thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 166940861 333881722 500822583 667763444 834704305 1001645166 1168586027 1335526888 1669408610 2003290332 2337172054 2504112915 3338817220 3505758081 4006580664 4674344108 5008225830 5842930135 6677634440 7011516162 9348688216 10016451660 11685860270 14023032324 17528790405 20032903320 23371720540 28046064648 35057580810 46743441080 70115161620 140230323240