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121400301110 = 25114728578219
BaseRepresentation
bin111000100010000000…
…1011001011000110110
3102121100121002021111112
41301010001121120312
53442111434113420
6131434233435022
711525261350634
oct1610401313066
9377317067445
10121400301110
114753833a070
121b64086ba72
13b5a933cbca
145c392d6354
153257da98c5
hex1c44059636

121400301110 has 64 divisors (see below), whose sum is σ = 243572935680. Its totient is φ = 43185918720.

The previous prime is 121400301109. The next prime is 121400301119. The reversal of 121400301110 is 11103004121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121400301119) 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, 14766581 + ... + 14774799.

It is an arithmetic number, because the mean of its divisors is an integer number (3805827120).

Almost surely, 2121400301110 is an apocalyptic number.

121400301110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121400301110 is an abundant number, since it is smaller than the sum of its proper divisors (122172634570).

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

121400301110 is a wasteful number, since it uses less digits than its factorization.

121400301110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11141.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 121400301110 its reverse (11103004121), we get a palindrome (132503305231).

The spelling of 121400301110 in words is "one hundred twenty-one billion, four hundred million, three hundred one thousand, one hundred ten".

Divisors: 1 2 5 10 11 22 47 55 94 110 235 470 517 1034 2585 2857 5170 5714 8219 14285 16438 28570 31427 41095 62854 82190 90409 134279 157135 180818 268558 314270 386293 452045 671395 772586 904090 1342790 1477069 1931465 2954138 3862930 4249223 7385345 8498446 14770690 21246115 23481683 42492230 46963366 117408415 234816830 258298513 516597026 1103639101 1291492565 2207278202 2582985130 5518195505 11036391010 12140030111 24280060222 60700150555 121400301110