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140033451450 = 23521754915079
BaseRepresentation
bin1000001001101010100…
…1001110010110111010
3111101110011122101111210
42002122221032112322
54243242030421300
6144155214503550
713055105461254
oct2023251162672
9441404571453
10140033451450
115442a261772
1223180b04bb6
13102887a4c59
146ac5c58cd4
153998b2d050
hex209aa4e5ba

140033451450 has 48 divisors (see below), whose sum is σ = 367711375680. Its totient is φ = 35145649920.

The previous prime is 140033451403. The next prime is 140033451457. The reversal of 140033451450 is 54154330041.

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

It is not an unprimeable number, because it can be changed into a prime (140033451457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27454990 + ... + 27460089.

It is an arithmetic number, because the mean of its divisors is an integer number (7660653660).

Almost surely, 2140033451450 is an apocalyptic number.

140033451450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140033451450 is an abundant number, since it is smaller than the sum of its proper divisors (227677924230).

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

140033451450 is a wasteful number, since it uses less digits than its factorization.

140033451450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54915111 (or 54915106 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 140033451450 its reverse (54154330041), we get a palindrome (194187781491).

The spelling of 140033451450 in words is "one hundred forty billion, thirty-three million, four hundred fifty-one thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 15 17 25 30 34 50 51 75 85 102 150 170 255 425 510 850 1275 2550 54915079 109830158 164745237 274575395 329490474 549150790 823726185 933556343 1372876975 1647452370 1867112686 2745753950 2800669029 4118630925 4667781715 5601338058 8237261850 9335563430 14003345145 23338908575 28006690290 46677817150 70016725725 140033451450