Search a number
-
+
42054451412 = 2279617321559
BaseRepresentation
bin100111001010101001…
…000000000011010100
311000112211212111000112
4213022221000003110
51142111414421122
631153004502152
73016101640031
oct471251000324
9130484774015
1042054451412
1116920706876
128197b4a958
133c728b319c
14206d39c388
1511620532e2
hex9caa400d4

42054451412 has 24 divisors (see below), whose sum is σ = 74542406400. Its totient is φ = 20756732256.

The previous prime is 42054451379. The next prime is 42054451421. The reversal of 42054451412 is 21415445024.

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, 1939889 + ... + 1961447.

It is an arithmetic number, because the mean of its divisors is an integer number (3105933600).

Almost surely, 242054451412 is an apocalyptic number.

It is an amenable number.

42054451412 is a deficient number, since it is larger than the sum of its proper divisors (32487954988).

42054451412 is a wasteful number, since it uses less digits than its factorization.

42054451412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27815 (or 27813 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 42054451412 its reverse (21415445024), we get a palindrome (63469896436).

The spelling of 42054451412 in words is "forty-two billion, fifty-four million, four hundred fifty-one thousand, four hundred twelve".

Divisors: 1 2 4 79 158 316 6173 12346 21559 24692 43118 86236 487667 975334 1703161 1950668 3406322 6812644 133083707 266167414 532334828 10513612853 21027225706 42054451412