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121244131103444 = 221913911477104421
BaseRepresentation
bin11011100100010101011001…
…010111011001001011010100
3120220021211021221221110222122
4123210111121113121023110
5111342430440030302234
61105510441312115112
734352412411112316
oct3344253127311324
9526254257843878
10121244131103444
11356a53901a8518
1211721b12235a98
1352863708cc42b
1421d23666857b6
15e03c8884892e
hex6e45595d92d4

121244131103444 has 24 divisors (see below), whose sum is σ = 224951246671200. Its totient is φ = 57018254758560.

The previous prime is 121244131103413. The next prime is 121244131103461. The reversal of 121244131103444 is 444301131442121.

It is a super-2 number, since 2×1212441311034442 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5738541647 + ... + 5738562774.

It is an arithmetic number, because the mean of its divisors is an integer number (9372968611300).

Almost surely, 2121244131103444 is an apocalyptic number.

It is an amenable number.

121244131103444 is a deficient number, since it is larger than the sum of its proper divisors (103707115567756).

121244131103444 is a wasteful number, since it uses less digits than its factorization.

121244131103444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11477104583 (or 11477104581 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

Adding to 121244131103444 its reverse (444301131442121), we get a palindrome (565545262545565).

The spelling of 121244131103444 in words is "one hundred twenty-one trillion, two hundred forty-four billion, one hundred thirty-one million, one hundred three thousand, four hundred forty-four".

Divisors: 1 2 4 19 38 76 139 278 556 2641 5282 10564 11477104421 22954208842 45908417684 218064983999 436129967998 872259935996 1595317514519 3190635029038 6381270058076 30311032775861 60622065551722 121244131103444