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121450432052 = 22103123294431
BaseRepresentation
bin111000100011100000…
…0101000011000110100
3102121111002102012020002
41301013000220120310
53442212302311202
6131443224130432
711526440432165
oct1610700503064
9377432365202
10121450432052
114756366a1a4
121b655606a18
13b5b6842aa1
145c41c2576c
15325c4ad302
hex1c47028634

121450432052 has 12 divisors (see below), whose sum is σ = 212541038976. Its totient is φ = 60724420920.

The previous prime is 121450432009. The next prime is 121450432073. The reversal of 121450432052 is 250234054121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265277 + ... + 559707.

It is an arithmetic number, because the mean of its divisors is an integer number (17711753248).

Almost surely, 2121450432052 is an apocalyptic number.

It is an amenable number.

121450432052 is a deficient number, since it is larger than the sum of its proper divisors (91090606924).

121450432052 is a wasteful number, since it uses less digits than its factorization.

121450432052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397558 (or 397556 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 121450432052 its reverse (250234054121), we get a palindrome (371684486173).

The spelling of 121450432052 in words is "one hundred twenty-one billion, four hundred fifty million, four hundred thirty-two thousand, fifty-two".

Divisors: 1 2 4 103123 206246 294431 412492 588862 1177724 30362608013 60725216026 121450432052