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10122400456 = 237418353117
BaseRepresentation
bin10010110110101011…
…11001001011001000
3222010110002012222121
421123111321023020
5131212313303311
64352234101024
7505561661410
oct113325711310
928113065877
1010122400456
114324916313
121b65b7a774
13c54174b8c
146c0505640
153e39d9b71
hex25b5792c8

10122400456 has 64 divisors (see below), whose sum is σ = 22488036480. Its totient is φ = 4181291520.

The previous prime is 10122400391. The next prime is 10122400513. The reversal of 10122400456 is 65400422101.

It is a happy number.

10122400456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 10122400456.

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 15 ways as a sum of consecutive naturals, for example, 164010 + ... + 217126.

It is an arithmetic number, because the mean of its divisors is an integer number (351375570).

Almost surely, 210122400456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10122400456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11244018240).

10122400456 is an abundant number, since it is smaller than the sum of its proper divisors (12365636024).

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

10122400456 is a wasteful number, since it uses less digits than its factorization.

10122400456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53254 (or 53250 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 10122400456 its reverse (65400422101), we get a palindrome (75522822557).

The spelling of 10122400456 in words is "ten billion, one hundred twenty-two million, four hundred thousand, four hundred fifty-six".

Divisors: 1 2 4 7 8 14 28 41 56 82 83 164 166 287 328 332 574 581 664 1148 1162 2296 2324 3403 4648 6806 13612 23821 27224 47642 53117 95284 106234 190568 212468 371819 424936 743638 1487276 2177797 2974552 4355594 4408711 8711188 8817422 15244579 17422376 17634844 30489158 30860977 35269688 60978316 61721954 121956632 123443908 180757151 246887816 361514302 723028604 1265300057 1446057208 2530600114 5061200228 10122400456