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23121410428 = 2271306126597
BaseRepresentation
bin10101100010001001…
…001011100101111100
32012200101000100101101
4111202021023211330
5334323040113203
614342152022444
71445653513564
oct254211134574
965611010341
1023121410428
119895484966
124593391a24
13224628b05c
141194a93da4
15904ce341d
hex56224b97c

23121410428 has 24 divisors (see below), whose sum is σ = 41047310304. Its totient is φ = 11393726400.

The previous prime is 23121410369. The next prime is 23121410443. The reversal of 23121410428 is 82401412132.

It is a junction number, because it is equal to n+sod(n) for n = 23121410396 and 23121410405.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 856026 + ... + 882622.

It is an arithmetic number, because the mean of its divisors is an integer number (1710304596).

Almost surely, 223121410428 is an apocalyptic number.

It is an amenable number.

23121410428 is a deficient number, since it is larger than the sum of its proper divisors (17925899876).

23121410428 is a wasteful number, since it uses less digits than its factorization.

23121410428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29733 (or 29731 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The spelling of 23121410428 in words is "twenty-three billion, one hundred twenty-one million, four hundred ten thousand, four hundred twenty-eight".

Divisors: 1 2 4 71 142 284 3061 6122 12244 26597 53194 106388 217331 434662 869324 1888387 3776774 7553548 81413417 162826834 325653668 5780352607 11560705214 23121410428