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2097151875 = 325471317241
BaseRepresentation
bin111110011111111…
…1111111110000011
312102011011100112200
41330333333332003
513243332330000
6544033124243
7102653332260
oct17477777603
95364140480
102097151875
11986873275
124a63b9683
13275631690
1415c748267
15c41a3500
hex7cffff83

2097151875 has 240 divisors, whose sum is σ = 4953364416. Its totient is φ = 829440000.

The previous prime is 2097151867. The next prime is 2097151913. The reversal of 2097151875 is 5781517902.

It is not a de Polignac number, because 2097151875 - 23 = 2097151867 is a prime.

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

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 2097151875.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 8701755 + ... + 8701995.

Almost surely, 22097151875 is an apocalyptic number.

2097151875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2097151875 is an abundant number, since it is smaller than the sum of its proper divisors (2856212541).

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

2097151875 is a wasteful number, since it uses less digits than its factorization.

2097151875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 45.

The square root of 2097151875 is about 45794.6708144081. The cubic root of 2097151875 is about 1279.9999745687. Note that the first 4 decimals are identical.

The spelling of 2097151875 in words is "two billion, ninety-seven million, one hundred fifty-one thousand, eight hundred seventy-five".