Search a number
-
+
201431020430 = 25140914296027
BaseRepresentation
bin1011101110011000111…
…0010111001110001110
3201020221002000001111002
42323212032113032032
511300012320123210
6232311445500302
720360435265143
oct2734616271616
9636832001432
10201431020430
1178476618012
1233056a11692
1315cc193c223
149a6c18a3ca
15538dde54a5
hex2ee639738e

201431020430 has 16 divisors (see below), whose sum is σ = 362833190640. Its totient is φ = 80515218432.

The previous prime is 201431020391. The next prime is 201431020457. The reversal of 201431020430 is 34020134102.

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, 7133924 + ... + 7162103.

It is an arithmetic number, because the mean of its divisors is an integer number (22677074415).

Almost surely, 2201431020430 is an apocalyptic number.

201431020430 is a deficient number, since it is larger than the sum of its proper divisors (161402170210).

201431020430 is a wasteful number, since it uses less digits than its factorization.

201431020430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14297443.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 201431020430 its reverse (34020134102), we get a palindrome (235451154532).

The spelling of 201431020430 in words is "two hundred one billion, four hundred thirty-one million, twenty thousand, four hundred thirty".

Divisors: 1 2 5 10 1409 2818 7045 14090 14296027 28592054 71480135 142960270 20143102043 40286204086 100715510215 201431020430