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3100210111242 = 23231374116322469
BaseRepresentation
bin101101000111010010111…
…011000010001100001010
3101222101011222021101010200
4231013102323002030022
5401243212242024432
610332114501553030
7436661045101566
oct55072273021412
911871158241120
103100210111242
11a95878870532
12420a12115776
1319646ba2700a
14aa09dc0c6a6
155599c133a7c
hex2d1d2ec230a

3100210111242 has 192 divisors, whose sum is σ = 7339971824640. Its totient is φ = 943440307200.

The previous prime is 3100210111213. The next prime is 3100210111249. The reversal of 3100210111242 is 2421110120013.

3100210111242 is a `hidden beast` number, since 3 + 100 + 210 + 111 + 242 = 666.

It is a super-2 number, since 2×31002101112422 (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (3100210111249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 137965984 + ... + 137988452.

It is an arithmetic number, because the mean of its divisors is an integer number (38229019920).

Almost surely, 23100210111242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3100210111242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3669985912320).

3100210111242 is an abundant number, since it is smaller than the sum of its proper divisors (4239761713398).

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

3100210111242 is a wasteful number, since it uses less digits than its factorization.

3100210111242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22749 (or 22746 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 3100210111242 its reverse (2421110120013), we get a palindrome (5521320231255).

The spelling of 3100210111242 in words is "three trillion, one hundred billion, two hundred ten million, one hundred eleven thousand, two hundred forty-two".