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2115352080625 = 547283112
BaseRepresentation
bin11110110010000100110…
…011110011000011110001
321111020002112010200201111
4132302010303303003301
5234124220113040000
64255440200233321
7305554253004100
oct36620463630361
97436075120644
102115352080625
11746130114323
122a1b7716b841
13124627824094
14745527c4037
153a059dc6cba
hex1ec84cf30f1

2115352080625 has 45 divisors (see below), whose sum is σ = 3075280346061. Its totient is φ = 1450352610000.

The previous prime is 2115352080613. The next prime is 2115352080641. The reversal of 2115352080625 is 5260802535112.

The square root of 2115352080625 is 1454425.

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

It can be written as a sum of positive squares in 2 ways, for example, as 165843603121 + 1949508477504 = 407239^2 + 1396248^2 .

It is not a de Polignac number, because 2115352080625 - 231 = 2113204596977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 254520220 + ... + 254528530.

Almost surely, 22115352080625 is an apocalyptic number.

2115352080625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2115352080625 is the 1454425-th square number.

2115352080625 is the 727213-rd centered octagonal number.

It is an amenable number.

2115352080625 is a deficient number, since it is larger than the sum of its proper divisors (959928265436).

2115352080625 is an frugal number, since it uses more digits than its factorization.

2115352080625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16656 (or 8323 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 2115352080625 in words is "two trillion, one hundred fifteen billion, three hundred fifty-two million, eighty thousand, six hundred twenty-five".

Divisors: 1 5 7 25 35 49 125 175 245 625 875 1225 4375 6125 8311 30625 41555 58177 207775 290885 407239 1038875 1454425 2036195 5194375 7272125 10180975 36360625 50904875 69072721 254524375 345363605 483509047 1726818025 2417545235 3384563329 8634090125 12087726175 16922816645 43170450625 60438630875 84614083225 302193154375 423070416125 2115352080625