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122097830625 = 345415532
BaseRepresentation
bin111000110110110011…
…0010000101011100001
3102200011012121110010000
41301231212100223201
54000024021040000
6132031352130213
711551461302451
oct1615546205341
9380135543100
10122097830625
1147866051341
121b7b6396969
13b68a9c5974
145ca3bc9d61
153299240000
hex1c6d990ae1

122097830625 has 75 divisors (see below), whose sum is σ = 228065216863. Its totient is φ = 65076912000.

The previous prime is 122097830587. The next prime is 122097830633. The reversal of 122097830625 is 526038790221.

The square root of 122097830625 is 349425.

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

122097830625 is a `hidden beast` number, since 12 + 2 + 0 + 9 + 7 + 8 + 3 + 0 + 625 = 666.

It can be written as a sum of positive squares in 7 ways, for example, as 121896644769 + 201185856 = 349137^2 + 14184^2 .

It is a tau number, because it is divible by the number of its divisors (75).

It is not a de Polignac number, because 122097830625 - 225 = 122064276193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 74 ways as a sum of consecutive naturals, for example, 78619849 + ... + 78621401.

Almost surely, 2122097830625 is an apocalyptic number.

122097830625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122097830625 is the 349425-th square number.

122097830625 is the 174713-rd centered octagonal number.

It is an amenable number.

122097830625 is a deficient number, since it is larger than the sum of its proper divisors (105967386238).

122097830625 is an frugal number, since it uses more digits than its factorization.

122097830625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138 (or 1561 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 122097830625 in words is "one hundred twenty-two billion, ninety-seven million, eight hundred thirty thousand, six hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 81 125 135 225 375 405 625 675 1125 1553 1875 2025 3375 4659 5625 7765 10125 13977 16875 23295 38825 41931 50625 69885 116475 125793 194125 209655 349425 582375 628965 970625 1048275 1747125 2411809 2911875 3144825 5241375 7235427 8735625 12059045 15724125 21706281 26206875 36177135 60295225 65118843 78620625 108531405 180885675 195356529 301476125 325594215 542657025 904428375 976782645 1507380625 1627971075 2713285125 4522141875 4883913225 8139855375 13566425625 24419566125 40699276875 122097830625