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140221131037 = 1317376981077
BaseRepresentation
bin1000001010010111010…
…1001010100100011101
3111101221020210111111121
42002211311022210131
54244133102143122
6144230001250541
713062544643131
oct2024565124435
9441836714447
10140221131037
115451619a169
1223213933a51
13102b8637470
146b02b513c1
1539aa351bc7
hex20a5d4a91d

140221131037 has 16 divisors (see below), whose sum is σ = 152079626160. Its totient is φ = 128517783552.

The previous prime is 140221131023. The next prime is 140221131049. The reversal of 140221131037 is 730131122041.

It can be written as a sum of positive squares in 8 ways, for example, as 6699586201 + 133521544836 = 81851^2 + 365406^2 .

It is a cyclic number.

It is not a de Polignac number, because 140221131037 - 235 = 105861392669 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 (140221131077) 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, 1688943 + ... + 1770019.

It is an arithmetic number, because the mean of its divisors is an integer number (9504976635).

Almost surely, 2140221131037 is an apocalyptic number.

It is an amenable number.

140221131037 is a deficient number, since it is larger than the sum of its proper divisors (11858495123).

140221131037 is a wasteful number, since it uses less digits than its factorization.

140221131037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82032.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 140221131037 its reverse (730131122041), we get a palindrome (870352253078).

The spelling of 140221131037 in words is "one hundred forty billion, two hundred twenty-one million, one hundred thirty-one thousand, thirty-seven".

Divisors: 1 13 173 769 2249 9997 81077 133037 1054001 1729481 14026321 62348213 182342173 810526769 10786240849 140221131037