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53207433320 = 23529181253417
BaseRepresentation
bin110001100011011010…
…010000000001101000
312002100010011122222112
4301203122100001220
51332432100331240
640235415541452
73562346502206
oct614332200150
9162303148875
1053207433320
1120624233198
12a38b08a888
13502c411a72
14280a6d2076
1515b6260665
hexc63690068

53207433320 has 64 divisors (see below), whose sum is σ = 124529605200. Its totient is φ = 20435466240.

The previous prime is 53207433311. The next prime is 53207433329. The reversal of 53207433320 is 2333470235.

It is an interprime number because it is at equal distance from previous prime (53207433311) and next prime (53207433329).

It can be written as a sum of positive squares in 8 ways, for example, as 2078083396 + 51129349924 = 45586^2 + 226118^2 .

It is a super-3 number, since 3×532074333203 (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (53207433329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83252 + ... + 336668.

Almost surely, 253207433320 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 53207433320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62264802600).

53207433320 is an abundant number, since it is smaller than the sum of its proper divisors (71322171880).

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

53207433320 is a wasteful number, since it uses less digits than its factorization.

53207433320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253638 (or 253634 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 32.

The spelling of 53207433320 in words is "fifty-three billion, two hundred seven million, four hundred thirty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 29 40 58 116 145 181 232 290 362 580 724 905 1160 1448 1810 3620 5249 7240 10498 20996 26245 41992 52490 104980 209960 253417 506834 1013668 1267085 2027336 2534170 5068340 7349093 10136680 14698186 29396372 36745465 45868477 58792744 73490930 91736954 146981860 183473908 229342385 293963720 366947816 458684770 917369540 1330185833 1834739080 2660371666 5320743332 6650929165 10641486664 13301858330 26603716660 53207433320