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25028000005528 = 23133144831731659
BaseRepresentation
bin1011011000011010010010…
…00011001011110110011000
310021121122122100112021210201
411230031021003023312120
511240024321000134103
6125121412055551544
75162133112633162
oct554151103136630
9107548570467721
1025028000005528
117a7a351585133
12298271668b5b4
1310c71902983c0
1462750c595932
152d608082051d
hex16c3490cbd98

25028000005528 has 64 divisors (see below), whose sum is σ = 52179210316800. Its totient is φ = 11176259264640.

The previous prime is 25028000005487. The next prime is 25028000005537. The reversal of 25028000005528 is 82550000082052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13587363 + ... + 15319021.

It is an arithmetic number, because the mean of its divisors is an integer number (815300161200).

Almost surely, 225028000005528 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 25028000005528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26089605158400).

25028000005528 is an abundant number, since it is smaller than the sum of its proper divisors (27151210311272).

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

25028000005528 is a wasteful number, since it uses less digits than its factorization.

25028000005528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736192 (or 1736188 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 37.

The spelling of 25028000005528 in words is "twenty-five trillion, twenty-eight billion, five thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 13 26 31 52 62 104 124 248 403 806 1612 3224 4483 8966 17932 35864 58279 116558 138973 233116 277946 466232 555892 1111784 1731659 1806649 3463318 3613298 6926636 7226596 13853272 14453192 22511567 45023134 53681429 90046268 107362858 180092536 214725716 429451432 697858577 1395717154 2791434308 5582868616 7763027297 15526054594 31052109188 62104218376 100919354861 201838709722 240653846207 403677419444 481307692414 807354838888 962615384828 1925230769656 3128500000691 6257000001382 12514000002764 25028000005528