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140440101010021 = 2832812317645869
BaseRepresentation
bin11111111011101011000010…
…010101010011101001100101
3200102020221110002221021210101
4133323223002111103221211
5121401432311324310041
61214405143003024101
741403314424120541
oct3773530225235145
9612227402837711
10140440101010021
1140826348832a3a
121390229580b031
1360495a2009727
1426974a1232a21
1511382816c0b31
hex7fbac2553a65

140440101010021 has 8 divisors (see below), whose sum is σ = 140941375197920. Its totient is φ = 139938862170672.

The previous prime is 140440101009941. The next prime is 140440101010081. The reversal of 140440101010021 is 120010101044041.

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 140440101010021 - 27 = 140440101009893 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 (140440101010081) 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, 864126 + ... + 16781743.

It is an arithmetic number, because the mean of its divisors is an integer number (17617671899740).

Almost surely, 2140440101010021 is an apocalyptic number.

It is an amenable number.

140440101010021 is a deficient number, since it is larger than the sum of its proper divisors (501274187899).

140440101010021 is a wasteful number, since it uses less digits than its factorization.

140440101010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17674275.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 140440101010021 its reverse (120010101044041), we get a palindrome (260450202054062).

The spelling of 140440101010021 in words is "one hundred forty trillion, four hundred forty billion, one hundred one million, ten thousand, twenty-one".

Divisors: 1 283 28123 7958809 17645869 4993780927 496254773887 140440101010021