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2123243525250 = 23253943663789
BaseRepresentation
bin11110111001011011001…
…011010001010010000010
321111222110111021121122100
4132321123023101102002
5234241400320302000
64303223221251230
7306253645120221
oct36713313212202
97458414247570
102123243525250
1174950a687491
122a35b9b63b16
131252b4719543
1474aa08b0cb8
153a36cacca00
hex1ee5b2d1482

2123243525250 has 48 divisors (see below), whose sum is σ = 5741250498360. Its totient is φ = 566198272800.

The previous prime is 2123243525213. The next prime is 2123243525279. The reversal of 2123243525250 is 525253423212.

It is a happy number.

2123243525250 is a `hidden beast` number, since 2 + 1 + 2 + 324 + 35 + 252 + 50 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 89958604761 + 2033284920489 = 299931^2 + 1425933^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 471829645 + ... + 471834144.

Almost surely, 22123243525250 is an apocalyptic number.

2123243525250 is an abundant number, since it is smaller than the sum of its proper divisors (3618006973110).

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

2123243525250 is a wasteful number, since it uses less digits than its factorization.

2123243525250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943663812 (or 943663799 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 2123243525250 its reverse (525253423212), we get a palindrome (2648496948462).

The spelling of 2123243525250 in words is "two trillion, one hundred twenty-three billion, two hundred forty-three million, five hundred twenty-five thousand, two hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 125 150 225 250 375 450 750 1125 2250 943663789 1887327578 2830991367 4718318945 5661982734 8492974101 9436637890 14154956835 16985948202 23591594725 28309913670 42464870505 47183189450 70774784175 84929741010 117957973625 141549568350 212324352525 235915947250 353873920875 424648705050 707747841750 1061621762625 2123243525250