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4290137905 = 5231731911129
BaseRepresentation
bin1111111110110110…
…0100111100110001
3102001222122120211111
43333231210330301
532241233403110
61545412313321
7211212366454
oct37755447461
912058576744
104290137905
111901742119
129b8912841
13534a78651
142c9abb49b
151a1986e8a
hexffb64f31

4290137905 has 32 divisors (see below), whose sum is σ = 5436149760. Its totient is φ = 3243947520.

The previous prime is 4290137899. The next prime is 4290137909. The reversal of 4290137905 is 5097310924.

It is not a de Polignac number, because 4290137905 - 219 = 4289613617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4290137909) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3799381 + ... + 3800509.

It is an arithmetic number, because the mean of its divisors is an integer number (169879680).

Almost surely, 24290137905 is an apocalyptic number.

It is an amenable number.

4290137905 is a deficient number, since it is larger than the sum of its proper divisors (1146011855).

4290137905 is a wasteful number, since it uses less digits than its factorization.

4290137905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 4290137905 is about 65499.1443073877. The cubic root of 4290137905 is about 1624.8891954427.

The spelling of 4290137905 in words is "four billion, two hundred ninety million, one hundred thirty-seven thousand, nine hundred five".

Divisors: 1 5 23 115 173 191 865 955 1129 3979 4393 5645 19895 21965 25967 33043 129835 165215 195317 215639 759989 976585 1078195 3799945 4492291 4959697 22461455 24798485 37305547 186527735 858027581 4290137905