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140454202246 = 21911360753887
BaseRepresentation
bin1000001011001110111…
…0010000101110000110
3111102112111100202002121
42002303232100232012
54300122233432441
6144305045000154
713101405010051
oct2026356205606
9442474322077
10140454202246
115462580aaa6
12232799b305a
1310324a00617
146b25aa1a98
1539c0a3edd1
hex20b3b90b86

140454202246 has 32 divisors (see below), whose sum is σ = 224105103360. Its totient is φ = 65832310656.

The previous prime is 140454202223. The next prime is 140454202247. The reversal of 140454202246 is 642202454041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140454202247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2579515 + ... + 2633401.

It is an arithmetic number, because the mean of its divisors is an integer number (7003284480).

Almost surely, 2140454202246 is an apocalyptic number.

140454202246 is a deficient number, since it is larger than the sum of its proper divisors (83650901114).

140454202246 is a wasteful number, since it uses less digits than its factorization.

140454202246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54628.

The product of its (nonzero) digits is 61440, while the sum is 34.

Adding to 140454202246 its reverse (642202454041), we get a palindrome (782656656287).

The spelling of 140454202246 in words is "one hundred forty billion, four hundred fifty-four million, two hundred two thousand, two hundred forty-six".

Divisors: 1 2 19 38 113 226 607 1214 2147 4294 11533 23066 53887 68591 107774 137182 1023853 1303229 2047706 2606458 6089231 12178462 32709409 65418818 115695389 231390778 621478771 1242957542 3696163217 7392326434 70227101123 140454202246