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109706688400 = 2452165612
BaseRepresentation
bin110011000101100000…
…1110011011110010000
3101111011122111012111111
41212023001303132100
53244134403012100
6122222031023104
710632430315411
oct1461301633620
9344148435444
10109706688400
1142587624831
121931866aa94
13a46480154a
14544a271808
152cc14aa6ba
hex198b073790

109706688400 has 45 divisors (see below), whose sum is σ = 263586234963. Its totient is φ = 43880025600.

The previous prime is 109706688397. The next prime is 109706688433. The reversal of 109706688400 is 4886607901.

The square root of 109706688400 is 331220.

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 47494356624 + 62212331776 = 217932^2 + 249424^2 .

It is a Duffinian number.

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 8 ways as a sum of consecutive naturals, for example, 6616120 + ... + 6632680.

Almost surely, 2109706688400 is an apocalyptic number.

109706688400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109706688400 is the 331220-th square number.

It is an amenable number.

109706688400 is an abundant number, since it is smaller than the sum of its proper divisors (153879546563).

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

109706688400 is an frugal number, since it uses more digits than its factorization.

109706688400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33140 (or 16568 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

Multiplying 109706688400 by its sum of digits (49), we get a square (5375627731600 = 23185402).

The spelling of 109706688400 in words is "one hundred nine billion, seven hundred six million, six hundred eighty-eight thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 16561 33122 66244 82805 132488 165610 264976 331220 414025 662440 828050 1324880 1656100 3312200 6624400 274266721 548533442 1097066884 1371333605 2194133768 2742667210 4388267536 5485334420 6856668025 10970668840 13713336050 21941337680 27426672100 54853344200 109706688400