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56272614400 = 2105212371777
BaseRepresentation
bin110100011010000110…
…111111010000000000
312101020201211222221201
4310122012333100000
51410221242130100
641503513230544
74031326221202
oct643206772000
9171221758851
1056272614400
11219574730a2
12aaa5702454
1353ca468592
142a1b824772
1516e53cc36a
hexd1a1bf400

56272614400 has 132 divisors (see below), whose sum is σ = 139679263948. Its totient is φ = 22478192640.

The previous prime is 56272614371. The next prime is 56272614401. The reversal of 56272614400 is 441627265.

It can be written as a sum of positive squares in 6 ways, for example, as 1183744 + 56271430656 = 1088^2 + 237216^2 .

It is a super-2 number, since 2×562726144002 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56272614400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56272614401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31666312 + ... + 31668088.

Almost surely, 256272614400 is an apocalyptic number.

56272614400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56272614400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69839631974).

56272614400 is an abundant number, since it is smaller than the sum of its proper divisors (83406649548).

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

56272614400 is a wasteful number, since it uses less digits than its factorization.

56272614400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044 (or 3021 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 56272614400 in words is "fifty-six billion, two hundred seventy-two million, six hundred fourteen thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 512 640 800 1024 1237 1280 1600 1777 2474 2560 3200 3554 4948 5120 6185 6400 7108 8885 9896 12370 12800 14216 17770 19792 24740 25600 28432 30925 35540 39584 44425 49480 56864 61850 71080 79168 88850 98960 113728 123700 142160 158336 177700 197920 227456 247400 284320 316672 355400 395840 454912 494800 568640 633344 710800 791680 909824 989600 1137280 1266688 1421600 1583360 1819648 1979200 2198149 2274560 2843200 3166720 3958400 4396298 4549120 5686400 6333440 7916800 8792596 9098240 10990745 11372800 15833600 17585192 21981490 22745600 31667200 35170384 43962980 45491200 54953725 70340768 87925960 109907450 140681536 175851920 219814900 281363072 351703840 439629800 562726144 703407680 879259600 1125452288 1406815360 1758519200 2250904576 2813630720 3517038400 5627261440 7034076800 11254522880 14068153600 28136307200 56272614400