Search a number
-
+
102120012000101 = 359284456857939
BaseRepresentation
bin10111001110000010101011…
…000010100010101101100101
3111101120120121012220122210102
4113032002223002202231211
5101341113241033000401
61001105141425233445
730336633044622404
oct2716025302425545
9441516535818712
10102120012000101
112a5a1943568a17
12b553661492885
1344c9b50206714
141b308c644d63b
15bc159882356b
hex5ce0ab0a2b65

102120012000101 has 4 divisors (see below), whose sum is σ = 102404468858400. Its totient is φ = 101835555141804.

The previous prime is 102120012000067. The next prime is 102120012000103. The reversal of 102120012000101 is 101000210021201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102120012000101 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 (102120012000103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142228428611 + ... + 142228429328.

It is an arithmetic number, because the mean of its divisors is an integer number (25601117214600).

Almost surely, 2102120012000101 is an apocalyptic number.

It is an amenable number.

102120012000101 is a deficient number, since it is larger than the sum of its proper divisors (284456858299).

102120012000101 is an equidigital number, since it uses as much as digits as its factorization.

102120012000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284456858298.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102120012000101 its reverse (101000210021201), we get a palindrome (203120222021302).

The spelling of 102120012000101 in words is "one hundred two trillion, one hundred twenty billion, twelve million, one hundred one", and thus it is an aban number.

Divisors: 1 359 284456857939 102120012000101