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2155114301625 = 325319131001389
BaseRepresentation
bin11111010111000110110…
…100101000100010111001
321122000201121202210202100
4133113012310220202321
5240302133230123000
64330013522454013
7311462512212465
oct37270664504271
97560647683670
102155114301625
11760a8492649a
122a9813504309
131282c35526bc
14764455774a5
153b0d5a90a00
hex1f5c6d288b9

2155114301625 has 48 divisors (see below), whose sum is σ = 3886987412880. Its totient is φ = 1148792313600.

The previous prime is 2155114301623. The next prime is 2155114301647. The reversal of 2155114301625 is 5261034115512.

2155114301625 is a `hidden beast` number, since 2 + 1 + 55 + 11 + 430 + 162 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 578592986409 + 1576521315216 = 760653^2 + 1255596^2 .

It is not a de Polignac number, because 2155114301625 - 21 = 2155114301623 is a prime.

It is a super-2 number, since 2×21551143016252 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2155114301625.

It is not an unprimeable number, because it can be changed into a prime (2155114301623) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1651431 + ... + 2652819.

It is an arithmetic number, because the mean of its divisors is an integer number (80978904435).

Almost surely, 22155114301625 is an apocalyptic number.

2155114301625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2155114301625 is a deficient number, since it is larger than the sum of its proper divisors (1731873111255).

2155114301625 is a wasteful number, since it uses less digits than its factorization.

2155114301625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003323 (or 1003310 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 2155114301625 in words is "two trillion, one hundred fifty-five billion, one hundred fourteen million, three hundred one thousand, six hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 125 225 375 1125 1913 5739 9565 17217 28695 47825 86085 143475 239125 430425 717375 1001389 2152125 3004167 5006945 9012501 15020835 25034725 45062505 75104175 125173625 225312525 375520875 1126562625 1915657157 5746971471 9578285785 17240914413 28734857355 47891428925 86204572065 143674286775 239457144625 431022860325 718371433875 2155114301625