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103828381225 = 5289349133709
BaseRepresentation
bin110000010110010100…
…1110101111000101001
3100220222222102020222221
41200230221311320221
53200120031144400
6115410442314041
710333651451542
oct1405451657051
9326888366887
10103828381225
1140040461628
1218157ab8921
139a38a0308a
14504d69d4c9
152a7a3aec1a
hex182ca75e29

103828381225 has 24 divisors (see below), whose sum is σ = 130567815000. Its totient is φ = 81893475840.

The previous prime is 103828381193. The next prime is 103828381247. The reversal of 103828381225 is 522183828301.

It can be written as a sum of positive squares in 12 ways, for example, as 6169631209 + 97658750016 = 78547^2 + 312504^2 .

It is not a de Polignac number, because 103828381225 - 25 = 103828381193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 709671 + ... + 843379.

It is an arithmetic number, because the mean of its divisors is an integer number (5440325625).

Almost surely, 2103828381225 is an apocalyptic number.

It is an amenable number.

103828381225 is a deficient number, since it is larger than the sum of its proper divisors (26739433775).

103828381225 is a wasteful number, since it uses less digits than its factorization.

103828381225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134157 (or 134152 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 103828381225 in words is "one hundred three billion, eight hundred twenty-eight million, three hundred eighty-one thousand, two hundred twenty-five".

Divisors: 1 5 25 89 349 445 1745 2225 8725 31061 133709 155305 668545 776525 3342725 11900101 46664441 59500505 233322205 297502525 1166611025 4153135249 20765676245 103828381225