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378868028605 = 51197566912527
BaseRepresentation
bin1011000001101100100…
…10110101010010111101
31100012220222000222220121
411200312102311102331
522201410203403410
6450014412414541
736241463051653
oct5406622652275
91305828028817
10378868028605
1113674a141530
1261516177451
132995b59a661
14144a1818dd3
159cc65cd9da
hex58364b54bd

378868028605 has 32 divisors (see below), whose sum is σ = 501214210560. Its totient is φ = 272629893120.

The previous prime is 378868028597. The next prime is 378868028633. The reversal of 378868028605 is 506820868873.

It is not a de Polignac number, because 378868028605 - 23 = 378868028597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30237852 + ... + 30250378.

It is an arithmetic number, because the mean of its divisors is an integer number (15662944080).

Almost surely, 2378868028605 is an apocalyptic number.

It is an amenable number.

378868028605 is a deficient number, since it is larger than the sum of its proper divisors (122346181955).

378868028605 is a wasteful number, since it uses less digits than its factorization.

378868028605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18309.

The product of its (nonzero) digits is 30965760, while the sum is 61.

The spelling of 378868028605 in words is "three hundred seventy-eight billion, eight hundred sixty-eight million, twenty-eight thousand, six hundred five".

Divisors: 1 5 11 55 97 485 1067 5335 5669 12527 28345 62359 62635 137797 311795 549893 688985 1215119 2749465 6048823 6075595 13366309 30244115 66831545 71015563 355077815 781171193 3905855965 6888509611 34442548055 75773605721 378868028605