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10231121101 = 174129145757
BaseRepresentation
bin10011000011101001…
…01000010011001101
3222102000122210200011
421201310220103031
5131423131333401
64411120233221
7511352044255
oct114164502315
928360583604
1010231121101
114380223793
121b9646b811
13c7084cb16
146d0b26965
153ed313451
hex261d284cd

10231121101 has 8 divisors (see below), whose sum is σ = 10835649720. Its totient is φ = 9626892288.

The previous prime is 10231121093. The next prime is 10231121137. The reversal of 10231121101 is 10112113201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5662713001 + 4568408100 = 75251^2 + 67590^2 .

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 10231121101 - 23 = 10231121093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10231121161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2686 + ... + 143071.

It is an arithmetic number, because the mean of its divisors is an integer number (1354456215).

Almost surely, 210231121101 is an apocalyptic number.

It is an amenable number.

10231121101 is a deficient number, since it is larger than the sum of its proper divisors (604528619).

10231121101 is a wasteful number, since it uses less digits than its factorization.

10231121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149903.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10231121101 its reverse (10112113201), we get a palindrome (20343234302).

The spelling of 10231121101 in words is "ten billion, two hundred thirty-one million, one hundred twenty-one thousand, one hundred one".

Divisors: 1 17 4129 70193 145757 2477869 601830653 10231121101