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102103100032 = 276133473907
BaseRepresentation
bin101111100010111010…
…0011010101010000000
3100202112201222220010111
41133011310122222000
53133101343200112
6114523331441104
710243132013323
oct1370564325200
9322481886114
10102103100032
113a3355a12aa
1217956156194
13982244462b
144d284b67ba
1529c8bb55a7
hex17c5d1aa80

102103100032 has 64 divisors (see below), whose sum is σ = 206857787040. Its totient is φ = 50186787840.

The previous prime is 102103100023. The next prime is 102103100051. The reversal of 102103100032 is 230001301201.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1021031000322 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102103099985 and 102103100021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26131423 + ... + 26135329.

Almost surely, 2102103100032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102103100032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103428893520).

102103100032 is an abundant number, since it is smaller than the sum of its proper divisors (104754687008).

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

102103100032 is an equidigital number, since it uses as much as digits as its factorization.

102103100032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7329 (or 7317 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 102103100032 its reverse (230001301201), we get a palindrome (332104401233).

The spelling of 102103100032 in words is "one hundred two billion, one hundred three million, one hundred thousand, thirty-two".

Divisors: 1 2 4 8 16 32 61 64 122 128 244 488 976 1952 3347 3904 3907 6694 7808 7814 13388 15628 26776 31256 53552 62512 107104 125024 204167 214208 238327 250048 408334 428416 476654 500096 816668 953308 1633336 1906616 3266672 3813232 6533344 7626464 13066688 13076729 15252928 26133376 26153458 30505856 52306916 104613832 209227664 418455328 797680469 836910656 1595360938 1673821312 3190721876 6381443752 12762887504 25525775008 51051550016 102103100032