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121013011 = 7152311351
BaseRepresentation
bin1110011011010…
…00001100010011
322102201002122101
413031220030103
5221434404021
620001421231
72666410420
oct715501423
9272632571
10121013011
1162343959
123463a817
131c0c0042
1412100d47
15a955a91
hex7368313

121013011 has 8 divisors (see below), whose sum is σ = 138403584. Its totient is φ = 103648200.

The previous prime is 121013003. The next prime is 121013047. The reversal of 121013011 is 110310121.

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

It is a cyclic number.

It is not a de Polignac number, because 121013011 - 23 = 121013003 is a prime.

It is a super-2 number, since 2×1210130112 = 29288297662572242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121013311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4986 + ... + 16336.

It is an arithmetic number, because the mean of its divisors is an integer number (17300448).

Almost surely, 2121013011 is an apocalyptic number.

121013011 is a deficient number, since it is larger than the sum of its proper divisors (17390573).

121013011 is a wasteful number, since it uses less digits than its factorization.

121013011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12881.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 121013011 is about 11000.5913931934. The cubic root of 121013011 is about 494.6264719384.

Adding to 121013011 its reverse (110310121), we get a palindrome (231323132).

The spelling of 121013011 in words is "one hundred twenty-one million, thirteen thousand, eleven".

Divisors: 1 7 1523 10661 11351 79457 17287573 121013011