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121430444302 = 2432714031713
BaseRepresentation
bin111000100010111010…
…0011000100100001110
3102121102200210201012001
41301011310120210032
53442142143204202
6131441231502514
711526105513646
oct1610564304416
9377380721161
10121430444302
11475533580a2
121b64a987a3a
13b5b266510b
145c3d301526
15325a860d87
hex1c45d1890e

121430444302 has 8 divisors (see below), whose sum is σ = 182187774576. Its totient is φ = 60701186112.

The previous prime is 121430444251. The next prime is 121430444309. The reversal of 121430444302 is 203444034121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1214304443022 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121430444309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7007203 + ... + 7024510.

It is an arithmetic number, because the mean of its divisors is an integer number (22773471822).

Almost surely, 2121430444302 is an apocalyptic number.

121430444302 is a deficient number, since it is larger than the sum of its proper divisors (60757330274).

121430444302 is a wasteful number, since it uses less digits than its factorization.

121430444302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14036042.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 121430444302 its reverse (203444034121), we get a palindrome (324874478423).

The spelling of 121430444302 in words is "one hundred twenty-one billion, four hundred thirty million, four hundred forty-four thousand, three hundred two".

Divisors: 1 2 4327 8654 14031713 28063426 60715222151 121430444302