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121141057730 = 25711236840263
BaseRepresentation
bin111000011010010010…
…0011101100011000010
3102120200112021100102212
41300310210131203002
53441044102321410
6131352413142122
711515663000220
oct1606444354302
9376615240385
10121141057730
1147414a72740
121b589a8a942
13b567712164
145c12ad1b10
15324024bb05
hex1c3491d8c2

121141057730 has 64 divisors (see below), whose sum is σ = 283679428608. Its totient is φ = 36116583360.

The previous prime is 121141057729. The next prime is 121141057733. The reversal of 121141057730 is 37750141121.

121141057730 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1211410577303 (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (121141057733) 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, 3402422 + ... + 3437841.

It is an arithmetic number, because the mean of its divisors is an integer number (4432491072).

Almost surely, 2121141057730 is an apocalyptic number.

121141057730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121141057730 is an abundant number, since it is smaller than the sum of its proper divisors (162538370878).

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

121141057730 is a wasteful number, since it uses less digits than its factorization.

121141057730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6840311.

The product of its (nonzero) digits is 5880, while the sum is 32.

Adding to 121141057730 its reverse (37750141121), we get a palindrome (158891198851).

The spelling of 121141057730 in words is "one hundred twenty-one billion, one hundred forty-one million, fifty-seven thousand, seven hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 23 35 46 55 70 77 110 115 154 161 230 253 322 385 506 770 805 1265 1610 1771 2530 3542 8855 17710 6840263 13680526 34201315 47881841 68402630 75242893 95763682 150485786 157326049 239409205 314652098 376214465 478818410 526700251 752428930 786630245 1053400502 1101282343 1573260490 1730586539 2202564686 2633501255 3461173078 5267002510 5506411715 8652932695 11012823430 12114105773 17305865390 24228211546 60570528865 121141057730