Search a number
-
+
126857411740 = 22516737981261
BaseRepresentation
bin111011000100101001…
…0100111110010011100
3110010102220121012222001
41312021102213302130
54034300444133430
6134135534332044
712110434131313
oct1661122476234
9403386535861
10126857411740
114988877a054
122070435a024
13bc68ab7b57
1461d5d8727a
1534770063ca
hex1d894a7c9c

126857411740 has 24 divisors (see below), whose sum is σ = 267995784672. Its totient is φ = 50439113280.

The previous prime is 126857411731. The next prime is 126857411773. The reversal of 126857411740 is 47114758621.

It is a happy number.

126857411740 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 18987291 + ... + 18993970.

It is an arithmetic number, because the mean of its divisors is an integer number (11166491028).

Almost surely, 2126857411740 is an apocalyptic number.

126857411740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126857411740 is an abundant number, since it is smaller than the sum of its proper divisors (141138372932).

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

126857411740 is a wasteful number, since it uses less digits than its factorization.

126857411740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37981437 (or 37981435 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 46.

The spelling of 126857411740 in words is "one hundred twenty-six billion, eight hundred fifty-seven million, four hundred eleven thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 167 334 668 835 1670 3340 37981261 75962522 151925044 189906305 379812610 759625220 6342870587 12685741174 25371482348 31714352935 63428705870 126857411740