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4431152423 = 23617939979
BaseRepresentation
bin1000010000001111…
…00000010100100111
3102102210222212101102
410020013200110213
533033333334143
62011410550315
7214544113505
oct41007402447
912383885342
104431152423
1119742a7445
12a37b9839b
1355804c6a9
14300707675
151ae03e0b8
hex1081e0527

4431152423 has 16 divisors (see below), whose sum is σ = 4759219200. Its totient is φ = 4116134880.

The previous prime is 4431152419. The next prime is 4431152443. The reversal of 4431152423 is 3242511344.

It is a cyclic number.

It is not a de Polignac number, because 4431152423 - 22 = 4431152419 is a prime.

It is a super-2 number, since 2×44311524232 = 39270223591717541858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4431152413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90848 + ... + 130826.

It is an arithmetic number, because the mean of its divisors is an integer number (297451200).

Almost surely, 24431152423 is an apocalyptic number.

4431152423 is a deficient number, since it is larger than the sum of its proper divisors (328066777).

4431152423 is a wasteful number, since it uses less digits than its factorization.

4431152423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40142.

The product of its digits is 11520, while the sum is 29.

The square root of 4431152423 is about 66566.9018582058. The cubic root of 4431152423 is about 1642.5006990090.

Adding to 4431152423 its reverse (3242511344), we get a palindrome (7673663767).

The spelling of 4431152423 in words is "four billion, four hundred thirty-one million, one hundred fifty-two thousand, four hundred twenty-three".

Divisors: 1 23 61 79 1403 1817 4819 39979 110837 919517 2438719 3158341 56090537 72641843 192658801 4431152423