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102100120300 = 22521021001203
BaseRepresentation
bin101111100010110100…
…1000011001011101100
3100202112112101111201001
41133011221003023230
53133100112322200
6114523143530044
710243064463133
oct1370551031354
9322475344631
10102100120300
113a333946612
1217955159924
139821940289
144d27d3c91a
1529c87c776a
hex17c5a432ec

102100120300 has 18 divisors (see below), whose sum is σ = 221557261268. Its totient is φ = 40840048080.

The previous prime is 102100120247. The next prime is 102100120301. The reversal of 102100120300 is 3021001201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (102100120301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 510500502 + ... + 510500701.

Almost surely, 2102100120300 is an apocalyptic number.

102100120300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102100120300 is an abundant number, since it is smaller than the sum of its proper divisors (119457140968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102100120300 is a wasteful number, since it uses less digits than its factorization.

102100120300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021001217 (or 1021001210 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 102100120300 its reverse (3021001201), we get a palindrome (105121121501).

The spelling of 102100120300 in words is "one hundred two billion, one hundred million, one hundred twenty thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1021001203 2042002406 4084004812 5105006015 10210012030 20420024060 25525030075 51050060150 102100120300