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52878934178070 = 235711132035986491
BaseRepresentation
bin11000000010111110101100…
…00101100111100100010110
320221020011202211201120021020
430001133112011213210112
523412332024122144240
6304244125204102010
714065243166236230
oct1401372605474426
9227204684646236
1052878934178070
1115937914879980
125b20360094906
1323676012c3750
14d0b4d57d5250
1561a780a690d0
hex3017d6167916

52878934178070 has 256 divisors, whose sum is σ = 170406233948160. Its totient is φ = 10141997299200.

The previous prime is 52878934177963. The next prime is 52878934178087. The reversal of 52878934178070 is 7087143987825.

It is a junction number, because it is equal to n+sod(n) for n = 52878934177986 and 52878934178004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 611337525 + ... + 611424015.

It is an arithmetic number, because the mean of its divisors is an integer number (665649351360).

Almost surely, 252878934178070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52878934178070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85203116974080).

52878934178070 is an abundant number, since it is smaller than the sum of its proper divisors (117527299770090).

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

52878934178070 is a wasteful number, since it uses less digits than its factorization.

52878934178070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106891.

The product of its (nonzero) digits is 189665280, while the sum is 69.

The spelling of 52878934178070 in words is "fifty-two trillion, eight hundred seventy-eight billion, nine hundred thirty-four million, one hundred seventy-eight thousand, seventy".