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140640011357 is a prime number
BaseRepresentation
bin1000001011111011001…
…1000100010001011101
3111110000102222211021112
42002332303010101131
54301012320330412
6144335323311405
713106122241426
oct2027663042135
9443012884245
10140640011357
115471069014a
122331007b565
1310354359641
146b4262c64d
1539d1ee4722
hex20becc445d

140640011357 has 2 divisors, whose sum is σ = 140640011358. Its totient is φ = 140640011356.

The previous prime is 140640011311. The next prime is 140640011389. The reversal of 140640011357 is 753110046041.

It is an a-pointer prime, because the next prime (140640011389) can be obtained adding 140640011357 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130573099801 + 10066911556 = 361349^2 + 100334^2 .

It is an emirp because it is prime and its reverse (753110046041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140640011357 - 222 = 140635817053 is a prime.

It is a super-2 number, since 2×1406400113572 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140640019357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70320005678 + 70320005679.

It is an arithmetic number, because the mean of its divisors is an integer number (70320005679).

Almost surely, 2140640011357 is an apocalyptic number.

It is an amenable number.

140640011357 is a deficient number, since it is larger than the sum of its proper divisors (1).

140640011357 is an equidigital number, since it uses as much as digits as its factorization.

140640011357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 140640011357 its reverse (753110046041), we get a palindrome (893750057398).

The spelling of 140640011357 in words is "one hundred forty billion, six hundred forty million, eleven thousand, three hundred fifty-seven".