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100103230125 = 3253731218913
BaseRepresentation
bin101110100111010011…
…1100001001010101101
3100120101100212222100200
41131032213201022231
53120002411331000
6113553051344113
710142436262653
oct1351647411255
9316340788320
10100103230125
11394a9733458
1217498452039
139594014562
144bb8a52dd3
15290d32b500
hex174e9e12ad

100103230125 has 48 divisors (see below), whose sum is σ = 182924861808. Its totient is φ = 52656998400.

The previous prime is 100103230039. The next prime is 100103230133. The reversal of 100103230125 is 521032301001.

It can be written as a sum of positive squares in 8 ways, for example, as 4870504521 + 95232725604 = 69789^2 + 308598^2 .

It is not a de Polignac number, because 100103230125 - 210 = 100103229101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100103230098 and 100103230107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 527332 + ... + 691581.

It is an arithmetic number, because the mean of its divisors is an integer number (3810934621).

Almost surely, 2100103230125 is an apocalyptic number.

100103230125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100103230125 is a deficient number, since it is larger than the sum of its proper divisors (82821631683).

100103230125 is a wasteful number, since it uses less digits than its factorization.

100103230125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219007 (or 1218994 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 100103230125 its reverse (521032301001), we get a palindrome (621135531126).

The spelling of 100103230125 in words is "one hundred billion, one hundred three million, two hundred thirty thousand, one hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 73 75 125 219 225 365 375 657 1095 1125 1825 3285 5475 9125 16425 27375 82125 1218913 3656739 6094565 10970217 18283695 30472825 54851085 88980649 91418475 152364125 266941947 274255425 444903245 457092375 800825841 1334709735 1371277125 2224516225 4004129205 6673548675 11122581125 20020646025 33367743375 100103230125