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104431431412 = 227113110937519
BaseRepresentation
bin110000101000010011…
…0010010111011110100
3100222120000011101100001
41201100212102323310
53202333421301122
6115550344001044
710354623343420
oct1412046227364
9328500141301
10104431431412
114031a903110
12182a5a60184
139b039290c9
1450a97dbb80
152ab32d1527
hex1850992ef4

104431431412 has 48 divisors (see below), whose sum is σ = 235200430080. Its totient is φ = 39375064800.

The previous prime is 104431431407. The next prime is 104431431449. The reversal of 104431431412 is 214134134401.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5459212 + ... + 5478307.

It is an arithmetic number, because the mean of its divisors is an integer number (4900008960).

Almost surely, 2104431431412 is an apocalyptic number.

It is an amenable number.

104431431412 is an abundant number, since it is smaller than the sum of its proper divisors (130768998668).

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

104431431412 is a wasteful number, since it uses less digits than its factorization.

104431431412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10937572 (or 10937570 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 104431431412 its reverse (214134134401), we get a palindrome (318565565813).

The spelling of 104431431412 in words is "one hundred four billion, four hundred thirty-one million, four hundred thirty-one thousand, four hundred twelve".

Divisors: 1 2 4 7 11 14 22 28 31 44 62 77 124 154 217 308 341 434 682 868 1364 2387 4774 9548 10937519 21875038 43750076 76562633 120312709 153125266 240625418 306250532 339063089 481250836 678126178 842188963 1356252356 1684377926 2373441623 3368755852 3729693979 4746883246 7459387958 9493766492 14918775916 26107857853 52215715706 104431431412