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121340214044 = 227107246716417
BaseRepresentation
bin111000100000001110…
…0001011101100011100
3102121012102000112112122
41301000130023230130
53442001043322134
6131424245522112
711523631541660
oct1610034135434
9377172015478
10121340214044
1147507429835
121b624713338
13b599a6242a
145c313348a0
15325298b02e
hex1c4070bb1c

121340214044 has 48 divisors (see below), whose sum is σ = 245062685952. Its totient is φ = 51492920832.

The previous prime is 121340213993. The next prime is 121340214071. The reversal of 121340214044 is 440412043121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7382924 + ... + 7399340.

It is an arithmetic number, because the mean of its divisors is an integer number (5105472624).

Almost surely, 2121340214044 is an apocalyptic number.

121340214044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121340214044 is an abundant number, since it is smaller than the sum of its proper divisors (123722471908).

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

121340214044 is a wasteful number, since it uses less digits than its factorization.

121340214044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19002 (or 19000 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 121340214044 its reverse (440412043121), we get a palindrome (561752257165).

The spelling of 121340214044 in words is "one hundred twenty-one billion, three hundred forty million, two hundred fourteen thousand, forty-four".

Divisors: 1 2 4 7 14 28 107 214 428 749 1498 2467 2996 4934 9868 16417 17269 32834 34538 65668 69076 114919 229838 263969 459676 527938 1055876 1756619 1847783 3513238 3695566 7026476 7391132 12296333 24592666 40500739 49185332 81001478 162002956 283505173 567010346 1134020692 4333579073 8667158146 17334316292 30335053511 60670107022 121340214044