Search a number
-
+
101212113130 = 25101277361769
BaseRepresentation
bin101111001000010110…
…1100100100011101010
3100200020122110001212121
41132100231210203222
53124240300110010
6114255102501454
710212062524012
oct1362055444352
9320218401777
10101212113130
1139a18665697
121774789488a
13970c98554b
144c82024c42
1529758693da
hex1790b648ea

101212113130 has 32 divisors (see below), whose sum is σ = 184650302160. Its totient is φ = 39939187200.

The previous prime is 101212113113. The next prime is 101212113151. The reversal of 101212113130 is 31311212101.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 78280765369 + 22931347761 = 279787^2 + 151431^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98886 + ... + 460654.

Almost surely, 2101212113130 is an apocalyptic number.

101212113130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101212113130 is a deficient number, since it is larger than the sum of its proper divisors (83438189030).

101212113130 is a wasteful number, since it uses less digits than its factorization.

101212113130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362154.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 101212113130 its reverse (31311212101), we get a palindrome (132523325231).

The spelling of 101212113130 in words is "one hundred one billion, two hundred twelve million, one hundred thirteen thousand, one hundred thirty".

Divisors: 1 2 5 10 101 202 277 505 554 1010 1385 2770 27977 55954 139885 279770 361769 723538 1808845 3617690 36538669 73077338 100210013 182693345 200420026 365386690 501050065 1002100130 10121211313 20242422626 50606056565 101212113130