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1942810243 = 112113151941
BaseRepresentation
bin111001111001100…
…1110111010000011
312000101201222121221
41303303032322003
512434324411433
6520441055511
766100420543
oct16363167203
95011658557
101942810243
11907736100
12462787597
1324c67257a
1414604d323
15b586772d
hex73ccee83

1942810243 has 24 divisors (see below), whose sum is σ = 2170955808. Its totient is φ = 1737120000.

The previous prime is 1942810237. The next prime is 1942810277. The reversal of 1942810243 is 3420182491.

It is not a de Polignac number, because 1942810243 - 213 = 1942802051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1942810199 and 1942810208.

It is not an unprimeable number, because it can be changed into a prime (1942814243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2064153 + ... + 2065093.

It is an arithmetic number, because the mean of its divisors is an integer number (90456492).

Almost surely, 21942810243 is an apocalyptic number.

1942810243 is a deficient number, since it is larger than the sum of its proper divisors (228145565).

1942810243 is a wasteful number, since it uses less digits than its factorization.

1942810243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227 (or 1216 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 1942810243 is about 44077.3211867509. The cubic root of 1942810243 is about 1247.7956334061.

The spelling of 1942810243 in words is "one billion, nine hundred forty-two million, eight hundred ten thousand, two hundred forty-three".

Divisors: 1 11 113 121 151 941 1243 1661 10351 13673 17063 18271 106333 113861 142091 187693 1169663 1563001 2064623 12866293 16056283 17193011 176619113 1942810243