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100312730525 = 5271073953377
BaseRepresentation
bin101110101101100011…
…0101100101110011101
3100120220222002200212202
41131123012230232131
53120420024334100
6114025533541245
710150562066210
oct1353306545635
9316828080782
10100312730525
11395a6a15187
1217536644825
1395c8546ba7
144bd87c9777
1529219107d5
hex175b1acb9d

100312730525 has 24 divisors (see below), whose sum is σ = 142173370560. Its totient is φ = 68778178560.

The previous prime is 100312730509. The next prime is 100312730549. The reversal of 100312730525 is 525037213001.

It is not a de Polignac number, because 100312730525 - 24 = 100312730509 is a prime.

It is a congruent number.

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, 1852637 + ... + 1906013.

It is an arithmetic number, because the mean of its divisors is an integer number (5923890440).

Almost surely, 2100312730525 is an apocalyptic number.

It is an amenable number.

100312730525 is a deficient number, since it is larger than the sum of its proper divisors (41860640035).

100312730525 is a wasteful number, since it uses less digits than its factorization.

100312730525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64133 (or 64128 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

Adding to 100312730525 its reverse (525037213001), we get a palindrome (625349943526).

The spelling of 100312730525 in words is "one hundred billion, three hundred twelve million, seven hundred thirty thousand, five hundred twenty-five".

Divisors: 1 5 7 25 35 175 10739 53377 53695 75173 266885 268475 373639 375865 1334425 1868195 1879325 9340975 573215603 2866078015 4012509221 14330390075 20062546105 100312730525