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80207533400 = 23521732577243
BaseRepresentation
bin100101010110010111…
…1011101010101011000
321200000210121212022012
41022230233131111120
52303231112032100
6100502525445052
75536421533151
oct1125457352530
9250023555265
1080207533400
113101a074a95
1213665410788
137743129047
143c4c55c928
152146815135
hex12acbdd558

80207533400 has 96 divisors (see below), whose sum is σ = 197539968240. Its totient is φ = 30182338560.

The previous prime is 80207533381. The next prime is 80207533433. The reversal of 80207533400 is 433570208.

It is a happy number.

It is a super-2 number, since 2×802075334002 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11070179 + ... + 11077421.

Almost surely, 280207533400 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 80207533400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98769984120).

80207533400 is an abundant number, since it is smaller than the sum of its proper divisors (117332434840).

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

80207533400 is a wasteful number, since it uses less digits than its factorization.

80207533400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10533 (or 10524 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 80207533400 in words is "eighty billion, two hundred seven million, five hundred thirty-three thousand, four hundred".

Divisors: 1 2 4 5 8 10 17 20 25 34 40 50 68 85 100 136 170 200 340 425 680 850 1700 3257 3400 6514 7243 13028 14486 16285 26056 28972 32570 36215 55369 57944 65140 72430 81425 110738 123131 130280 144860 162850 181075 221476 246262 276845 289720 325700 362150 442952 492524 553690 615655 651400 724300 985048 1107380 1231310 1384225 1448600 2214760 2462620 2768450 3078275 4925240 5536900 6156550 11073800 12313100 23590451 24626200 47180902 94361804 117952255 188723608 235904510 401037667 471809020 589761275 802075334 943618040 1179522550 1604150668 2005188335 2359045100 3208301336 4010376670 4718090200 8020753340 10025941675 16041506680 20051883350 40103766700 80207533400