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2132430378 = 231329942719
BaseRepresentation
bin111111100011010…
…0100111000101010
312111121112200112220
41333012210320222
513331400233003
6551333214510
7103562234121
oct17706447052
95447480486
102132430378
119a4779561
124b6191436
1327ca34130
141632ccab8
15c7321353
hex7f1a4e2a

2132430378 has 32 divisors (see below), whose sum is σ = 4751308800. Its totient is φ = 633506496.

The previous prime is 2132430371. The next prime is 2132430389. The reversal of 2132430378 is 8730342312.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2132430371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469098 + ... + 473621.

It is an arithmetic number, because the mean of its divisors is an integer number (148478400).

Almost surely, 22132430378 is an apocalyptic number.

2132430378 is an abundant number, since it is smaller than the sum of its proper divisors (2618878422).

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

2132430378 is a wasteful number, since it uses less digits than its factorization.

2132430378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942766.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 2132430378 is about 46178.2457224178. The cubic root of 2132430378 is about 1287.1375301374.

The spelling of 2132430378 in words is "two billion, one hundred thirty-two million, four hundred thirty thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 13 26 29 39 58 78 87 174 377 754 1131 2262 942719 1885438 2828157 5656314 12255347 24510694 27338851 36766041 54677702 73532082 82016553 164033106 355405063 710810126 1066215189 2132430378