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23121030210033 = 371101001438573
BaseRepresentation
bin1010100000111010010001…
…10010101110000111110001
310000212100102100102111002110
411100131020302232013301
511012303332213210113
6121101353223035533
74604303453054130
oct520351062560761
9100770370374073
1023121030210033
117404634875988
12271501629bba9
13cb93c4584922
1459d0c722d917
152a166ec2cbc3
hex150748cae1f1

23121030210033 has 8 divisors (see below), whose sum is σ = 35232046034368. Its totient is φ = 13212017262864.

The previous prime is 23121030210001. The next prime is 23121030210073. The reversal of 23121030210033 is 33001203012132.

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

It is not a de Polignac number, because 23121030210033 - 25 = 23121030210001 is a prime.

It is a super-2 number, since 2×231210302100332 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1101001438573 = 23121030210033 / (2 + 3 + 1 + 2 + 1 + 0 + 3 + 0 + 2 + 1 + 0 + 0 + 3 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23121030209991 and 23121030210009.

It is not an unprimeable number, because it can be changed into a prime (23121030210073) 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, 550500719266 + ... + 550500719307.

It is an arithmetic number, because the mean of its divisors is an integer number (4404005754296).

Almost surely, 223121030210033 is an apocalyptic number.

It is an amenable number.

23121030210033 is a deficient number, since it is larger than the sum of its proper divisors (12111015824335).

23121030210033 is a wasteful number, since it uses less digits than its factorization.

23121030210033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101001438583.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23121030210033 its reverse (33001203012132), we get a palindrome (56122233222165).

The spelling of 23121030210033 in words is "twenty-three trillion, one hundred twenty-one billion, thirty million, two hundred ten thousand, thirty-three".

Divisors: 1 3 7 21 1101001438573 3303004315719 7707010070011 23121030210033