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53075780310 = 235721071272657
BaseRepresentation
bin110001011011100100…
…000010001011010110
312001222221110000000010
4301123210002023112
51332144344432220
640214354101050
73556160455200
oct613344021326
9161887400003
1053075780310
1120566992353
12a352b7a786
13500b067a87
1427d7021770
1515a99071e0
hexc5b9022d6

53075780310 has 192 divisors, whose sum is σ = 150798163968. Its totient is φ = 11919108096.

The previous prime is 53075780293. The next prime is 53075780311. The reversal of 53075780310 is 1308757035.

It is a super-2 number, since 2×530757803102 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53075780311) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19974502 + ... + 19977158.

It is an arithmetic number, because the mean of its divisors is an integer number (785407104).

Almost surely, 253075780310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53075780310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75399081984).

53075780310 is an abundant number, since it is smaller than the sum of its proper divisors (97722383658).

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

53075780310 is a wasteful number, since it uses less digits than its factorization.

53075780310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2915 (or 2908 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 39.

The spelling of 53075780310 in words is "fifty-three billion, seventy-five million, seven hundred eighty thousand, three hundred ten".