Search a number
-
+
102408155046853 is a prime number
BaseRepresentation
bin10111010010001111000001…
…101101000010001111000101
3111102121010100101220001102221
4113102033001231002033011
5101410323400142444403
61001445353522532341
730366513356251165
oct2722170155021705
9442533311801387
10102408155046853
112a6a30668267a7
12b59b477b070b1
13451b080706856
141b4081c96c5a5
15bc8d100badbd
hex5d23c1b423c5

102408155046853 has 2 divisors, whose sum is σ = 102408155046854. Its totient is φ = 102408155046852.

The previous prime is 102408155046809. The next prime is 102408155046931. The reversal of 102408155046853 is 358640551804201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75714327154404 + 26693827892449 = 8701398^2 + 5166607^2 .

It is an emirp because it is prime and its reverse (358640551804201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102408155046853 - 221 = 102408152949701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102408155046853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102408155046803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51204077523426 + 51204077523427.

It is an arithmetic number, because the mean of its divisors is an integer number (51204077523427).

Almost surely, 2102408155046853 is an apocalyptic number.

It is an amenable number.

102408155046853 is a deficient number, since it is larger than the sum of its proper divisors (1).

102408155046853 is an equidigital number, since it uses as much as digits as its factorization.

102408155046853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608000, while the sum is 52.

The spelling of 102408155046853 in words is "one hundred two trillion, four hundred eight billion, one hundred fifty-five million, forty-six thousand, eight hundred fifty-three".