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431401011312 = 24314816068549
BaseRepresentation
bin1100100011100011000…
…00010000100001110000
31112020112002010000120210
412101301200100201300
524032002124330222
6530103300504120
743111343043645
oct6216140204160
91466462100523
10431401011312
11156a57695a17
126b7373ab040
13318b10472cb
1416c46703dcc
15b34d516d0c
hex6471810870

431401011312 has 40 divisors (see below), whose sum is σ = 1115205296400. Its totient is φ = 143703216640.

The previous prime is 431401011259. The next prime is 431401011323. The reversal of 431401011312 is 213110104134.

It is a super-2 number, since 2×4314010113122 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2963187 + ... + 3105362.

It is an arithmetic number, because the mean of its divisors is an integer number (27880132410).

Almost surely, 2431401011312 is an apocalyptic number.

It is an amenable number.

431401011312 is an abundant number, since it is smaller than the sum of its proper divisors (683804285088).

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

431401011312 is a wasteful number, since it uses less digits than its factorization.

431401011312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6070041 (or 6070035 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 431401011312 its reverse (213110104134), we get a palindrome (644511115446).

The spelling of 431401011312 in words is "four hundred thirty-one billion, four hundred one million, eleven thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 1481 2962 4443 5924 8886 11848 17772 23696 35544 71088 6068549 12137098 18205647 24274196 36411294 48548392 72822588 97096784 145645176 291290352 8987521069 17975042138 26962563207 35950084276 53925126414 71900168552 107850252828 143800337104 215700505656 431401011312