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100749108100 = 2252317412
BaseRepresentation
bin101110111010100011…
…1010110001110000100
3100122001101012222101011
41131311013112032010
53122313232424400
6114141123012004
710164441201064
oct1356507261604
9318041188334
10100749108100
1139800277103
121763880a004
139667a84284
144c3a73d3a4
152949dac8ba
hex17751d6384

100749108100 has 27 divisors (see below), whose sum is σ = 218632452591. Its totient is φ = 40298373600.

The previous prime is 100749107983. The next prime is 100749108149. The reversal of 100749108100 is 1801947001.

The square root of 100749108100 is 317410.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 559133316 + 100189974784 = 23646^2 + 316528^2 .

It is a super-2 number, since 2×1007491081002 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 3158230 + ... + 3189970.

Almost surely, 2100749108100 is an apocalyptic number.

100749108100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100749108100 is the 317410-th square number.

It is an amenable number.

100749108100 is an abundant number, since it is smaller than the sum of its proper divisors (117883344491).

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

100749108100 is an frugal number, since it uses more digits than its factorization.

100749108100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63496 (or 31748 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 31.

It can be divided in two parts, 100749 and 108100, that added together give a square (208849 = 4572).

The spelling of 100749108100 in words is "one hundred billion, seven hundred forty-nine million, one hundred eight thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 31741 63482 126964 158705 317410 634820 793525 1587050 3174100 1007491081 2014982162 4029964324 5037455405 10074910810 20149821620 25187277025 50374554050 100749108100