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101245041021 = 3139924123193
BaseRepresentation
bin101111001001010101…
…1001011100101111101
3100200022221101222110010
41132102223023211331
53124322212303041
6114302240333433
710212642435465
oct1362253134575
9320287358403
10101245041021
1139a35205923
1217756914279
1397167440c7
144c86556ba5
1529786c0a16
hex1792acb97d

101245041021 has 8 divisors (see below), whose sum is σ = 135089886400. Its totient is φ = 67448444832.

The previous prime is 101245040977. The next prime is 101245041041. The reversal of 101245041021 is 120140542101.

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

It is not a de Polignac number, because 101245041021 - 26 = 101245040957 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 (101245041041) 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, 12057400 + ... + 12065793.

It is an arithmetic number, because the mean of its divisors is an integer number (16886235800).

Almost surely, 2101245041021 is an apocalyptic number.

It is an amenable number.

101245041021 is a deficient number, since it is larger than the sum of its proper divisors (33844845379).

101245041021 is a wasteful number, since it uses less digits than its factorization.

101245041021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24124595.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 101245041021 its reverse (120140542101), we get a palindrome (221385583122).

The spelling of 101245041021 in words is "one hundred one billion, two hundred forty-five million, forty-one thousand, twenty-one".

Divisors: 1 3 1399 4197 24123193 72369579 33748347007 101245041021