Search a number
-
+
231740028974 = 2115870014487
BaseRepresentation
bin1101011111010011001…
…0000011100000101110
3211011011100202012220002
43113310302003200232
512244100421411344
6254243201024302
722512506513426
oct3276462034056
9734140665802
10231740028974
118a30a228803
1238ab5325092
1318b120375cc
14b305671486
156064c0c44e
hex35f4c8382e

231740028974 has 4 divisors (see below), whose sum is σ = 347610043464. Its totient is φ = 115870014486.

The previous prime is 231740028973. The next prime is 231740029019. The reversal of 231740028974 is 479820047132.

It is a happy number.

231740028974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231740028973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57935007242 + ... + 57935007245.

It is an arithmetic number, because the mean of its divisors is an integer number (86902510866).

Almost surely, 2231740028974 is an apocalyptic number.

231740028974 is a deficient number, since it is larger than the sum of its proper divisors (115870014490).

231740028974 is a wasteful number, since it uses less digits than its factorization.

231740028974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115870014489.

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 231740028974 in words is "two hundred thirty-one billion, seven hundred forty million, twenty-eight thousand, nine hundred seventy-four".

Divisors: 1 2 115870014487 231740028974