Search a number
-
+
102520225641 = 3239313456821
BaseRepresentation
bin101111101111010101…
…1100111111101101001
3100210121210220001220010
41133132223213331221
53134430134210031
6115032552122133
710256355353061
oct1373653477551
9323553801803
10102520225641
113a529aa3a09
1217a51996349
13988a9a0c12
144d67a583a1
152a0060d246
hex17deae7f69

102520225641 has 16 divisors (see below), whose sum is σ = 137704423680. Its totient is φ = 67843251840.

The previous prime is 102520225627. The next prime is 102520225649. The reversal of 102520225641 is 146522025201.

It is not a de Polignac number, because 102520225641 - 25 = 102520225609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102520225599 and 102520225608.

It is not an unprimeable number, because it can be changed into a prime (102520225649) 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, 3990 + ... + 452831.

It is an arithmetic number, because the mean of its divisors is an integer number (8606526480).

Almost surely, 2102520225641 is an apocalyptic number.

It is an amenable number.

102520225641 is a deficient number, since it is larger than the sum of its proper divisors (35184198039).

102520225641 is a wasteful number, since it uses less digits than its factorization.

102520225641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457376.

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 102520225641 in words is "one hundred two billion, five hundred twenty million, two hundred twenty-five thousand, six hundred forty-one".

Divisors: 1 3 239 313 717 939 74807 224421 456821 1370463 109180219 142984973 327540657 428954919 34173408547 102520225641