Search a number
-
+
140350630021 = 71715157113679
BaseRepresentation
bin1000001010110110001…
…1001010100010000101
3111102021021110201201021
42002231203022202011
54244414230130041
6144250505031141
713066006446160
oct2025543124205
9442237421637
10140350630021
11545822a9718
122324b1854b1
1310309408b94
146b16020ad7
1539b68d1cd1
hex20ad8ca885

140350630021 has 32 divisors (see below), whose sum is σ = 171272724480. Its totient is φ = 112269024000.

The previous prime is 140350630009. The next prime is 140350630033. The reversal of 140350630021 is 120036053041.

It is an interprime number because it is at equal distance from previous prime (140350630009) and next prime (140350630033).

It is not a de Polignac number, because 140350630021 - 25 = 140350629989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140350630001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10253460 + ... + 10267138.

It is an arithmetic number, because the mean of its divisors is an integer number (5352272640).

Almost surely, 2140350630021 is an apocalyptic number.

It is an amenable number.

140350630021 is a deficient number, since it is larger than the sum of its proper divisors (30922094459).

140350630021 is a wasteful number, since it uses less digits than its factorization.

140350630021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14425.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 140350630021 its reverse (120036053041), we get a palindrome (260386683062).

The spelling of 140350630021 in words is "one hundred forty billion, three hundred fifty million, six hundred thirty thousand, twenty-one".

Divisors: 1 7 17 119 151 571 1057 2567 3997 9707 13679 17969 67949 86221 95753 232543 603547 1465757 1627801 2065529 7810709 10260299 14458703 35113993 54674963 132782053 245797951 929474371 1179417059 8255919413 20050090003 140350630021