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2131120032 = 25337958573
BaseRepresentation
bin111111100000110…
…0100111110100000
312111112002010002120
41333001210332200
513331031320112
6551245144240
7103545135636
oct17701447640
95445063076
102131120032
119a3a64028
124b585b080
1327c695892
1416306b356
15c7162e8c
hex7f064fa0

2131120032 has 48 divisors (see below), whose sum is σ = 5609046240. Its totient is φ = 708486912.

The previous prime is 2131120021. The next prime is 2131120081. The reversal of 2131120032 is 2300211312.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 2131119993 and 2131120020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7098 + ... + 65670.

It is an arithmetic number, because the mean of its divisors is an integer number (116855130).

Almost surely, 22131120032 is an apocalyptic number.

It is an amenable number.

2131120032 is an abundant number, since it is smaller than the sum of its proper divisors (3477926208).

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

2131120032 is a wasteful number, since it uses less digits than its factorization.

2131120032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58965 (or 58957 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2131120032 is about 46164.0556277284. The cubic root of 2131120032 is about 1286.8738339793.

Adding to 2131120032 its reverse (2300211312), we get a palindrome (4431331344).

The spelling of 2131120032 in words is "two billion, one hundred thirty-one million, one hundred twenty thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 379 758 1137 1516 2274 3032 4548 6064 9096 12128 18192 36384 58573 117146 175719 234292 351438 468584 702876 937168 1405752 1874336 2811504 5623008 22199167 44398334 66597501 88796668 133195002 177593336 266390004 355186672 532780008 710373344 1065560016 2131120032