Search a number
-
+
212101000131 = 3371979699593
BaseRepresentation
bin1100010110001000110…
…1000110101111000011
3202021110200110011222110
43011202031012233003
511433340324001011
6241234324310403
721216026516526
oct3054215065703
9667420404873
10212101000131
1181a51537759
1235134242403
1317002387797
14a3a12b0bbd
1557b59e5ba6
hex3162346bc3

212101000131 has 16 divisors (see below), whose sum is σ = 291918981024. Its totient is φ = 136880642304.

The previous prime is 212101000079. The next prime is 212101000141. The reversal of 212101000131 is 131000101212.

It is not a de Polignac number, because 212101000131 - 27 = 212101000003 is a prime.

It is a super-2 number, since 2×2121010001312 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212101000141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4827930 + ... + 4871663.

It is an arithmetic number, because the mean of its divisors is an integer number (18244936314).

Almost surely, 2212101000131 is an apocalyptic number.

212101000131 is a deficient number, since it is larger than the sum of its proper divisors (79817980893).

212101000131 is a wasteful number, since it uses less digits than its factorization.

212101000131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9699830.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 212101000131 its reverse (131000101212), we get a palindrome (343101101343).

The spelling of 212101000131 in words is "two hundred twelve billion, one hundred one million, one hundred thirty-one", and thus it is an aban number.

Divisors: 1 3 37 111 197 591 7289 21867 9699593 29098779 358884941 1076654823 1910819821 5732459463 70700333377 212101000131