Search a number
-
+
2101000002101 = 7112131919152579
BaseRepresentation
bin11110100100101101010…
…110111101101000110101
321102212001022011120012122
4132210231112331220311
5233410322000031401
64245104105325325
7304535511233420
oct36445526755065
97385038146178
102101000002101
11740035801300
1229b230796845
1312317b2b1c20
147399065c9b7
15399b9de921b
hex1e92d5bda35

2101000002101 has 96 divisors (see below), whose sum is σ = 3007609651200. Its totient is φ = 1424148739200.

The previous prime is 2101000002097. The next prime is 2101000002107. The reversal of 2101000002101 is 1012000001012.

It is not a de Polignac number, because 2101000002101 - 22 = 2101000002097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101000002107) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 39932630 + ... + 39985208.

It is an arithmetic number, because the mean of its divisors is an integer number (31329267200).

Almost surely, 22101000002101 is an apocalyptic number.

It is an amenable number.

2101000002101 is a deficient number, since it is larger than the sum of its proper divisors (906609649099).

2101000002101 is a wasteful number, since it uses less digits than its factorization.

2101000002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52831 (or 52820 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 2101000002101 its reverse (1012000001012), we get a palindrome (3113000003113).

The spelling of 2101000002101 in words is "two trillion, one hundred one billion, two thousand, one hundred one".

Divisors: 1 7 11 13 19 77 91 121 133 143 191 209 247 847 1001 1337 1463 1573 1729 2101 2299 2483 2717 3629 11011 14707 16093 17381 19019 23111 25403 27313 29887 39919 47177 52579 161777 191191 209209 279433 300443 330239 368053 439109 518947 578369 683527 999001 2103101 3073763 3632629 4048583 4784689 5708417 6362059 6993007 7518797 10042589 10989011 12987013 39958919 44534413 52631579 70298123 76923077 82706767 90909091 110468479 120879121 130553657 142857143 190809191 578947369 773279353 846153847 913875599 1000000001 1215153269 1335664337 1436090227 1571428573 2098901101 2480519483 8506072883 10052631589 11000000011 14692307707 15796992497 17363636381 23087912111 27285714313 110578947479 161615384777 191000000191 300142857443 2101000002101