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32001020000 = 25541600051
BaseRepresentation
bin11101110011011010…
…001101000001100000
310001121012120020202222
4131303122031001200
51011014230120000
622411232530212
72212005116255
oct356332150140
9101535506688
1032001020000
1112631817a74
1262510b0968
13302cb087c1
1417980cb42c
15c7463da85
hex77368d060

32001020000 has 60 divisors (see below), whose sum is σ = 78727358556. Its totient is φ = 12800400000.

The previous prime is 32001019987. The next prime is 32001020027. The reversal of 32001020000 is 2010023.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 32001020000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 780026 + ... + 820025.

Almost surely, 232001020000 is an apocalyptic number.

It is an amenable number.

32001020000 is an abundant number, since it is smaller than the sum of its proper divisors (46726338556).

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

32001020000 is an equidigital number, since it uses as much as digits as its factorization.

32001020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600081 (or 1600058 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

Adding to 32001020000 its reverse (2010023), we get a palindrome (32003030023).

The spelling of 32001020000 in words is "thirty-two billion, one million, twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 4000 5000 10000 20000 1600051 3200102 6400204 8000255 12800408 16000510 25600816 32001020 40001275 51201632 64002040 80002550 128004080 160005100 200006375 256008160 320010200 400012750 640020400 800025500 1000031875 1280040800 1600051000 2000063750 3200102000 4000127500 6400204000 8000255000 16000510000 32001020000