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101130321021 = 3172968377499
BaseRepresentation
bin101111000101111010…
…1100011110001111101
3100200000221112121012020
41132023311203301331
53124103330233041
6114243021430353
710210050355032
oct1361365436175
9320027477166
10101130321021
1139986480004
121772440b3b9
1396c8a48552
144c75213389
15296d5ae866
hex178bd63c7d

101130321021 has 16 divisors (see below), whose sum is σ = 147695400000. Its totient is φ = 61266238208.

The previous prime is 101130321011. The next prime is 101130321041. The reversal of 101130321021 is 120123031101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 101130321021 - 218 = 101130058877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101130321001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34187271 + ... + 34190228.

It is an arithmetic number, because the mean of its divisors is an integer number (9230962500).

Almost surely, 2101130321021 is an apocalyptic number.

It is an amenable number.

101130321021 is a deficient number, since it is larger than the sum of its proper divisors (46565078979).

101130321021 is a wasteful number, since it uses less digits than its factorization.

101130321021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68377548.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 101130321021 its reverse (120123031101), we get a palindrome (221253352122).

The spelling of 101130321021 in words is "one hundred one billion, one hundred thirty million, three hundred twenty-one thousand, twenty-one".

Divisors: 1 3 17 29 51 87 493 1479 68377499 205132497 1162417483 1982947471 3487252449 5948842413 33710107007 101130321021