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2551606080 = 26355634721
BaseRepresentation
bin1001100000010110…
…0110101101000000
320120211022000111220
42120011212231000
520211202343310
61101105435040
7120142202532
oct23005465500
96524260456
102551606080
11109a351461
125b263ba80
1331882a8aa
141a2c45852
15ee021670
hex98166b40

2551606080 has 112 divisors (see below), whose sum is σ = 8117457984. Its totient is φ = 679075840.

The previous prime is 2551606073. The next prime is 2551606087. The reversal of 2551606080 is 806061552.

It is an interprime number because it is at equal distance from previous prime (2551606073) and next prime (2551606087).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551606087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538120 + ... + 542840.

Almost surely, 22551606080 is an apocalyptic number.

2551606080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2551606080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4058728992).

2551606080 is an abundant number, since it is smaller than the sum of its proper divisors (5565851904).

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

2551606080 is a wasteful number, since it uses less digits than its factorization.

2551606080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5304 (or 5294 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 2551606080 is about 50513.4247502582. The cubic root of 2551606080 is about 1366.4839742573.

The spelling of 2551606080 in words is "two billion, five hundred fifty-one million, six hundred six thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 563 960 1126 1689 2252 2815 3378 4504 4721 5630 6756 8445 9008 9442 11260 13512 14163 16890 18016 18884 22520 23605 27024 28326 33780 36032 37768 45040 47210 54048 56652 67560 70815 75536 90080 94420 108096 113304 135120 141630 151072 180160 188840 226608 270240 283260 302144 377680 453216 540480 566520 755360 906432 1133040 1510720 2266080 2657923 4532160 5315846 7973769 10631692 13289615 15947538 21263384 26579230 31895076 39868845 42526768 53158460 63790152 79737690 85053536 106316920 127580304 159475380 170107072 212633840 255160608 318950760 425267680 510321216 637901520 850535360 1275803040 2551606080