Search a number
-
+
187400240514 = 23248721378079
BaseRepresentation
bin1010111010000111101…
…1001011110110000010
3122220201020121120210200
42232201323023312002
511032243430144024
6222031313310030
716352644522224
oct2564173136602
9586636546720
10187400240514
1172526606433
123039bb65316
1314896b443a6
1490da980414
154d1c2322c9
hex2ba1ecbd82

187400240514 has 24 divisors (see below), whose sum is σ = 406867618560. Its totient is φ = 62338475448.

The previous prime is 187400240513. The next prime is 187400240611. The reversal of 187400240514 is 415042004781.

It is a happy number.

187400240514 is a `hidden beast` number, since 1 + 8 + 7 + 400 + 240 + 5 + 1 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (187400240513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10680274 + ... + 10697805.

It is an arithmetic number, because the mean of its divisors is an integer number (16952817440).

Almost surely, 2187400240514 is an apocalyptic number.

187400240514 is an abundant number, since it is smaller than the sum of its proper divisors (219467378046).

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

187400240514 is a wasteful number, since it uses less digits than its factorization.

187400240514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21378574 (or 21378571 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The spelling of 187400240514 in words is "one hundred eighty-seven billion, four hundred million, two hundred forty thousand, five hundred fourteen".

Divisors: 1 2 3 6 9 18 487 974 1461 2922 4383 8766 21378079 42756158 64134237 128268474 192402711 384805422 10411124473 20822248946 31233373419 62466746838 93700120257 187400240514