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121021241030 = 25167263275543
BaseRepresentation
bin111000010110101101…
…1011001011011000110
3102120101011211000211022
41300231123121123012
53440322414203110
6131332453111142
711513006401334
oct1605533313306
9376334730738
10121021241030
1147363376678
121b5559284b2
13b5489507c1
145c00c22b54
153234980755
hex1c2d6d96c6

121021241030 has 32 divisors (see below), whose sum is σ = 219976694784. Its totient is φ = 47935490656.

The previous prime is 121021240979. The next prime is 121021241053. The reversal of 121021241030 is 30142120121.

It is a super-2 number, since 2×1210212410302 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301439 + ... + 576981.

It is an arithmetic number, because the mean of its divisors is an integer number (6874271712).

Almost surely, 2121021241030 is an apocalyptic number.

121021241030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121021241030 is a deficient number, since it is larger than the sum of its proper divisors (98955453754).

121021241030 is a wasteful number, since it uses less digits than its factorization.

121021241030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275980.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 121021241030 its reverse (30142120121), we get a palindrome (151163361151).

The spelling of 121021241030 in words is "one hundred twenty-one billion, twenty-one million, two hundred forty-one thousand, thirty".

Divisors: 1 2 5 10 167 263 334 526 835 1315 1670 2630 43921 87842 219605 275543 439210 551086 1377715 2755430 46015681 72467809 92031362 144935618 230078405 362339045 460156810 724678090 12102124103 24204248206 60510620515 121021241030