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1880130238 = 27947141811
BaseRepresentation
bin111000000010000…
…1000001010111110
311212000210111211021
41300010020022332
512322303131423
6510321414354
764406562160
oct16004101276
94760714737
101880130238
11885314748
1244579a3ba
1323c6977cc
1413b9b4930
15b00d595d
hex701082be

1880130238 has 16 divisors (see below), whose sum is σ = 3226506624. Its totient is φ = 804913560.

The previous prime is 1880130221. The next prime is 1880130271. The reversal of 1880130238 is 8320310881.

It is a congruent number.

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, 57648 + ... + 84163.

It is an arithmetic number, because the mean of its divisors is an integer number (201656664).

Almost surely, 21880130238 is an apocalyptic number.

1880130238 is a deficient number, since it is larger than the sum of its proper divisors (1346376386).

1880130238 is a wasteful number, since it uses less digits than its factorization.

1880130238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142767.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 1880130238 is about 43360.4686090914. The cubic root of 1880130238 is about 1234.2296578778.

The spelling of 1880130238 in words is "one billion, eight hundred eighty million, one hundred thirty thousand, two hundred thirty-eight".

Divisors: 1 2 7 14 947 1894 6629 13258 141811 283622 992677 1985354 134295017 268590034 940065119 1880130238