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121415353050 = 23528917352571
BaseRepresentation
bin111000100010011101…
…0110100001011011010
3102121101122101222212210
41301010322310023122
53442124312244200
6131435532215550
711525533321065
oct1610472641332
9377348358783
10121415353050
114754588a892
121b64590a5b6
13b5ac4b0094
145c3b2d38dc
15325937e650
hex1c44eb42da

121415353050 has 96 divisors (see below), whose sum is σ = 306259237440. Its totient is φ = 31827980800.

The previous prime is 121415353049. The next prime is 121415353069. The reversal of 121415353050 is 50353514121.

It is a super-2 number, since 2×1214153530502 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 121415352999 and 121415353017.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2283265 + ... + 2335835.

It is an arithmetic number, because the mean of its divisors is an integer number (3190200390).

Almost surely, 2121415353050 is an apocalyptic number.

121415353050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121415353050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153129618720).

121415353050 is an abundant number, since it is smaller than the sum of its proper divisors (184843884390).

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

121415353050 is a wasteful number, since it uses less digits than its factorization.

121415353050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52848 (or 52843 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 121415353050 its reverse (50353514121), we get a palindrome (171768867171).

The spelling of 121415353050 in words is "one hundred twenty-one billion, four hundred fifteen million, three hundred fifty-three thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 89 150 173 178 267 346 445 519 534 865 890 1038 1335 1730 2225 2595 2670 4325 4450 5190 6675 8650 12975 13350 15397 25950 30794 46191 52571 76985 92382 105142 153970 157713 230955 262855 315426 384925 461910 525710 769850 788565 1154775 1314275 1577130 2309550 2628550 3942825 4678819 7885650 9094783 9357638 14036457 18189566 23394095 27284349 28072914 45473915 46788190 54568698 70182285 90947830 116970475 136421745 140364570 227369575 233940950 272843490 350911425 454739150 682108725 701822850 809435687 1364217450 1618871374 2428307061 4047178435 4856614122 8094356870 12141535305 20235892175 24283070610 40471784350 60707676525 121415353050