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102103133200 = 2452255257833
BaseRepresentation
bin101111100010111010…
…0100010110000010000
3100202112202001120121221
41133011310202300100
53133101400230300
6114523332254424
710243132212115
oct1370564426020
9322482046557
10102103133200
113a335614212
1217956171414
139822456763
144d284c490c
1529c8bc031a
hex17c5d22c10

102103133200 has 30 divisors (see below), whose sum is σ = 245302778474. Its totient is φ = 40841253120.

The previous prime is 102103133149. The next prime is 102103133201. The reversal of 102103133200 is 2331301201.

It can be written as a sum of positive squares in 3 ways, for example, as 34636187664 + 67466945536 = 186108^2 + 259744^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (102103133201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127628517 + ... + 127629316.

Almost surely, 2102103133200 is an apocalyptic number.

102103133200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102103133200 is an abundant number, since it is smaller than the sum of its proper divisors (143199645274).

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

102103133200 is a wasteful number, since it uses less digits than its factorization.

102103133200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255257851 (or 255257840 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 102103133200 its reverse (2331301201), we get a palindrome (104434434401).

The spelling of 102103133200 in words is "one hundred two billion, one hundred three million, one hundred thirty-three thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 255257833 510515666 1021031332 1276289165 2042062664 2552578330 4084125328 5105156660 6381445825 10210313320 12762891650 20420626640 25525783300 51051566600 102103133200