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101123221213 = 7149178354377
BaseRepresentation
bin101111000101101101…
…0011110011011011101
3100200000110011220002101
41132023122132123131
53124100021034323
6114242205325101
710206633124630
oct1361332363335
9320013156071
10101123221213
11399824708a3
1217721b66791
1396c7430a91
144c742c5c17
15296cb5adad
hex178b69e6dd

101123221213 has 16 divisors (see below), whose sum is σ = 116412422400. Its totient is φ = 86045452416.

The previous prime is 101123221187. The next prime is 101123221237. The reversal of 101123221213 is 312122321101.

It is not a de Polignac number, because 101123221213 - 217 = 101123090141 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 (101123221013) 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, 1832481 + ... + 1886857.

It is an arithmetic number, because the mean of its divisors is an integer number (7275776400).

Almost surely, 2101123221213 is an apocalyptic number.

It is an amenable number.

101123221213 is a deficient number, since it is larger than the sum of its proper divisors (15289201187).

101123221213 is a wasteful number, since it uses less digits than its factorization.

101123221213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56316.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 101123221213 its reverse (312122321101), we get a palindrome (413245542314).

The spelling of 101123221213 in words is "one hundred one billion, one hundred twenty-three million, two hundred twenty-one thousand, two hundred thirteen".

Divisors: 1 7 149 1043 1783 12481 54377 265667 380639 1859669 8102173 56715211 96954191 678679337 14446174459 101123221213