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103424210125 = 53827393681
BaseRepresentation
bin110000001010010010…
…0000011010011001101
3100212221210220020110221
41200110210003103031
53143303044211000
6115302403431341
710320643165255
oct1402444032315
9325853806427
10103424210125
113a9532a7925
1218064685551
1399a3061092
145011b30965
152a54b7561a
hex18149034cd

103424210125 has 8 divisors (see below), whose sum is σ = 129073414392. Its totient is φ = 82739368000.

The previous prime is 103424210111. The next prime is 103424210137. The reversal of 103424210125 is 521012424301.

It can be written as a sum of positive squares in 4 ways, for example, as 2637644164 + 100786565961 = 51358^2 + 317469^2 .

It is not a de Polignac number, because 103424210125 - 227 = 103289992397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103424210125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413696716 + ... + 413696965.

It is an arithmetic number, because the mean of its divisors is an integer number (16134176799).

Almost surely, 2103424210125 is an apocalyptic number.

It is an amenable number.

103424210125 is a deficient number, since it is larger than the sum of its proper divisors (25649204267).

103424210125 is an frugal number, since it uses more digits than its factorization.

103424210125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827393696 (or 827393686 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 103424210125 its reverse (521012424301), we get a palindrome (624436634426).

The spelling of 103424210125 in words is "one hundred three billion, four hundred twenty-four million, two hundred ten thousand, one hundred twenty-five".

Divisors: 1 5 25 125 827393681 4136968405 20684842025 103424210125