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1431447912 = 2332181109841
BaseRepresentation
bin101010101010010…
…0010100101101000
310200202112002101100
41111110202211220
510412422313122
6354012521400
750321051346
oct12524424550
93622462340
101431447912
11675019004
1233b480260
1319a73c7cb
14d817a996
1585a07aac
hex55522968

1431447912 has 48 divisors (see below), whose sum is σ = 3898292580. Its totient is φ = 474508800.

The previous prime is 1431447893. The next prime is 1431447929. The reversal of 1431447912 is 2197441341.

It can be written as a sum of positive squares in 2 ways, for example, as 1424760516 + 6687396 = 37746^2 + 2586^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 41889 + ... + 67952.

Almost surely, 21431447912 is an apocalyptic number.

1431447912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1431447912 is an abundant number, since it is smaller than the sum of its proper divisors (2466844668).

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

1431447912 is a wasteful number, since it uses less digits than its factorization.

1431447912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110034 (or 110027 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 1431447912 is about 37834.4804642538. The cubic root of 1431447912 is about 1127.0032881079.

It can be divided in two parts, 14314 and 47912, that added together give a palindrome (62226).

The spelling of 1431447912 in words is "one billion, four hundred thirty-one million, four hundred forty-seven thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 181 362 543 724 1086 1448 1629 2172 3258 4344 6516 13032 109841 219682 329523 439364 659046 878728 988569 1318092 1977138 2636184 3954276 7908552 19881221 39762442 59643663 79524884 119287326 159049768 178930989 238574652 357861978 477149304 715723956 1431447912