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2253154121 = 193197113349
BaseRepresentation
bin1000011001001100…
…0110011101001001
312211000201002101122
42012103012131021
514103301412441
61011324525025
7106556331311
oct20623063511
95730632348
102253154121
11a56935049
1252a6b0775
1329ba525ba
14175356441
15d2c1b34b
hex864c6749

2253154121 has 32 divisors (see below), whose sum is σ = 2502528000. Its totient is φ = 2020515840.

The previous prime is 2253154091. The next prime is 2253154193. The reversal of 2253154121 is 1214513522.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2253154121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2253156121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6455855 + ... + 6456203.

It is an arithmetic number, because the mean of its divisors is an integer number (78204000).

Almost surely, 22253154121 is an apocalyptic number.

It is an amenable number.

2253154121 is a deficient number, since it is larger than the sum of its proper divisors (249373879).

2253154121 is a wasteful number, since it uses less digits than its factorization.

2253154121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609.

The product of its digits is 2400, while the sum is 26.

The square root of 2253154121 is about 47467.4006134737. The cubic root of 2253154121 is about 1310.9827175412.

Adding to 2253154121 its reverse (1214513522), we get a palindrome (3467667643).

The spelling of 2253154121 in words is "two billion, two hundred fifty-three million, one hundred fifty-four thousand, one hundred twenty-one".

Divisors: 1 19 31 97 113 349 589 1843 2147 3007 3503 6631 10819 10961 33853 39437 57133 66557 205561 208259 339791 643207 749303 1049443 1222547 3825389 6456029 19939417 23228393 72682391 118587059 2253154121