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121137048 = 23324735797
BaseRepresentation
bin1110011100001…
…10011110011000
322102221101210100
413032012132120
5222002341143
620004215400
73000435144
oct716063630
9272841710
10121137048
116241906a
123469a560
131c134636
1412134224
15a97c6d3
hex7386798

121137048 has 48 divisors (see below), whose sum is σ = 335069280. Its totient is φ = 39518784.

The previous prime is 121137013. The next prime is 121137059. The reversal of 121137048 is 840731121.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14515 + ... + 21282.

It is an arithmetic number, because the mean of its divisors is an integer number (6980610).

Almost surely, 2121137048 is an apocalyptic number.

121137048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

121137048 is an abundant number, since it is smaller than the sum of its proper divisors (213932232).

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

121137048 is a wasteful number, since it uses less digits than its factorization.

121137048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35856 (or 35849 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 121137048 is about 11006.2276916299. The cubic root of 121137048 is about 494.7954097891.

Adding to 121137048 its reverse (840731121), we get a palindrome (961868169).

The spelling of 121137048 in words is "one hundred twenty-one million, one hundred thirty-seven thousand, forty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 47 72 94 141 188 282 376 423 564 846 1128 1692 3384 35797 71594 107391 143188 214782 286376 322173 429564 644346 859128 1288692 1682459 2577384 3364918 5047377 6729836 10094754 13459672 15142131 20189508 30284262 40379016 60568524 121137048