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121432400341 = 7174012544739
BaseRepresentation
bin111000100010111101…
…1110110000111010101
3102121102211111002100221
41301011323312013111
53442143143302331
6131441341434341
711526131241460
oct1610573660725
9377384432327
10121432400341
114755447375a
121b64b56b9b1
13b5b2b9b535
145c3d6902d7
15325aaea711
hex1c45ef61d5

121432400341 has 16 divisors (see below), whose sum is σ = 147309909120. Its totient is φ = 97717939200.

The previous prime is 121432400339. The next prime is 121432400351. The reversal of 121432400341 is 143004234121.

It is not a de Polignac number, because 121432400341 - 21 = 121432400339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121432400351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1224651 + ... + 1320088.

It is an arithmetic number, because the mean of its divisors is an integer number (9206869320).

Almost surely, 2121432400341 is an apocalyptic number.

It is an amenable number.

121432400341 is a deficient number, since it is larger than the sum of its proper divisors (25877508779).

121432400341 is a wasteful number, since it uses less digits than its factorization.

121432400341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545164.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 121432400341 its reverse (143004234121), we get a palindrome (264436634462).

The spelling of 121432400341 in words is "one hundred twenty-one billion, four hundred thirty-two million, four hundred thousand, three hundred forty-one".

Divisors: 1 7 17 119 401 2807 6817 47719 2544739 17813173 43260563 302823941 1020440339 7143082373 17347485763 121432400341