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140101234421 = 294954997501
BaseRepresentation
bin1000001001111010101…
…1110010111011110101
3111101121220012010021012
42002132223302323311
54243411404000141
6144210035402005
713056560562251
oct2023653627365
9441556163235
10140101234421
1154464549055
122319b753305
1310299848615
146ad0c61261
15399ea6bceb
hex209eaf2ef5

140101234421 has 8 divisors (see below), whose sum is σ = 144936723000. Its totient is φ = 135266040000.

The previous prime is 140101234393. The next prime is 140101234451. The reversal of 140101234421 is 124432101041.

It can be written as a sum of positive squares in 4 ways, for example, as 57365040100 + 82736194321 = 239510^2 + 287639^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140101234421 - 210 = 140101233397 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 (140101234451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1388171 + ... + 1485671.

It is an arithmetic number, because the mean of its divisors is an integer number (18117090375).

Almost surely, 2140101234421 is an apocalyptic number.

It is an amenable number.

140101234421 is a deficient number, since it is larger than the sum of its proper divisors (4835488579).

140101234421 is an equidigital number, since it uses as much as digits as its factorization.

140101234421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147079.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 140101234421 its reverse (124432101041), we get a palindrome (264533335462).

The spelling of 140101234421 in words is "one hundred forty billion, one hundred one million, two hundred thirty-four thousand, four hundred twenty-one".

Divisors: 1 29 49549 97501 1436921 2827529 4831077049 140101234421