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102452133416449 = 821124789443869
BaseRepresentation
bin10111010010110111111111…
…000001001100111000000001
3111102202022212022221201001111
4113102313333001030320001
5101412033432123311244
61001521505500003321
730402631242236155
oct2722677701147001
9442668768851044
10102452133416449
112a70a7844347a3
12b5a7ab0230541
13452226ba7625b
141b429d165d065
15bca035ea3e34
hex5d2dff04ce01

102452133416449 has 4 divisors (see below), whose sum is σ = 102576922861140. Its totient is φ = 102327343971760.

The previous prime is 102452133416333. The next prime is 102452133416489. The reversal of 102452133416449 is 944614331254201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11576713636849 + 90875419779600 = 3402457^2 + 9532860^2 .

It is a cyclic number.

It is not a de Polignac number, because 102452133416449 - 227 = 102451999198721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102452133416489) 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, 62394721114 + ... + 62394722755.

It is an arithmetic number, because the mean of its divisors is an integer number (25644230715285).

Almost surely, 2102452133416449 is an apocalyptic number.

It is an amenable number.

102452133416449 is a deficient number, since it is larger than the sum of its proper divisors (124789444691).

102452133416449 is an equidigital number, since it uses as much as digits as its factorization.

102452133416449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124789444690.

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 102452133416449 in words is "one hundred two trillion, four hundred fifty-two billion, one hundred thirty-three million, four hundred sixteen thousand, four hundred forty-nine".

Divisors: 1 821 124789443869 102452133416449