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140242124650 = 25218859148727
BaseRepresentation
bin1000001010011100010…
…1001111111101101010
3111101222201022002022211
42002213011033331222
54244203440442100
6144232031235334
713063221251035
oct2024705177552
9441881262284
10140242124650
1154527028a61
122321a978b4a
13102bcaa7c14
146b0585801c
1539ac0ec1ba
hex20a714ff6a

140242124650 has 24 divisors (see below), whose sum is σ = 260865937440. Its totient is φ = 56093498160.

The previous prime is 140242124647. The next prime is 140242124719. The reversal of 140242124650 is 56421242041.

It is a super-2 number, since 2×1402421246502 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 868587 + ... + 1017313.

It is an arithmetic number, because the mean of its divisors is an integer number (10869414060).

Almost surely, 2140242124650 is an apocalyptic number.

140242124650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140242124650 is a deficient number, since it is larger than the sum of its proper divisors (120623812790).

140242124650 is a wasteful number, since it uses less digits than its factorization.

140242124650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167598 (or 167593 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 140242124650 its reverse (56421242041), we get a palindrome (196663366691).

The spelling of 140242124650 in words is "one hundred forty billion, two hundred forty-two million, one hundred twenty-four thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 18859 37718 94295 148727 188590 297454 471475 743635 942950 1487270 3718175 7436350 2804842493 5609684986 14024212465 28048424930 70121062325 140242124650