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1000121225350 = 2521310115234139
BaseRepresentation
bin11101000110110111101…
…11101101000010000110
310112121111011112022101211
432203123313231002012
5112341222013202400
62043241020442034
7132153636102502
oct16433367550206
93477434468354
101000121225350
113561703a4335
121419b66a931a
1373407431410
14365985a1302
151b03720edba
hexe8dbded086

1000121225350 has 48 divisors (see below), whose sum is σ = 2023154728560. Its totient is φ = 365619312000.

The previous prime is 1000121225293. The next prime is 1000121225353. The reversal of 1000121225350 is 535221210001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000121225353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7551420 + ... + 7682719.

It is an arithmetic number, because the mean of its divisors is an integer number (42149056845).

Almost surely, 21000121225350 is an apocalyptic number.

1000121225350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000121225350 is an abundant number, since it is smaller than the sum of its proper divisors (1023033503210).

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

1000121225350 is a wasteful number, since it uses less digits than its factorization.

1000121225350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15234265 (or 15234260 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 1000121225350 its reverse (535221210001), we get a palindrome (1535342435351).

The spelling of 1000121225350 in words is "one trillion, one hundred twenty-one million, two hundred twenty-five thousand, three hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 101 130 202 325 505 650 1010 1313 2525 2626 5050 6565 13130 32825 65650 15234139 30468278 76170695 152341390 198043807 380853475 396087614 761706950 990219035 1538648039 1980438070 3077296078 4951095175 7693240195 9902190350 15386480390 20002424507 38466200975 40004849014 76932401950 100012122535 200024245070 500060612675 1000121225350