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121100312434 = 2238125430557
BaseRepresentation
bin111000011001000100…
…1000001111101110010
3102120120200121021101211
41300302021001331302
53441003134444214
6131344355550334
711514656446243
oct1606211017562
9376520537354
10121100312434
11473a3a73142
121b5782bb3aa
13b55c14730a
145c0b526cca
15323b89e0c4
hex1c32241f72

121100312434 has 8 divisors (see below), whose sum is σ = 181726767468. Its totient is φ = 60524723280.

The previous prime is 121100312381. The next prime is 121100312479. The reversal of 121100312434 is 434213001121.

It can be written as a sum of positive squares in 2 ways, for example, as 120857046025 + 243266409 = 347645^2 + 15597^2 .

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

It is a super-2 number, since 2×1211003124342 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12710517 + ... + 12720040.

Almost surely, 2121100312434 is an apocalyptic number.

121100312434 is a deficient number, since it is larger than the sum of its proper divisors (60626455034).

121100312434 is a wasteful number, since it uses less digits than its factorization.

121100312434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25432940.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 121100312434 its reverse (434213001121), we get a palindrome (555313313555).

The spelling of 121100312434 in words is "one hundred twenty-one billion, one hundred million, three hundred twelve thousand, four hundred thirty-four".

Divisors: 1 2 2381 4762 25430557 50861114 60550156217 121100312434