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441454993542 = 2338175092473
BaseRepresentation
bin1100110110010001100…
…01001010000010000110
31120012110202110020102000
412123020301022002012
524213044434243132
6534445052330130
743615444350333
oct6331061120206
91505422406360
10441454993542
11160246920642
1271682473946
1332823c85614
141751bab998a
15b73aed987c
hex66c8c4a086

441454993542 has 16 divisors (see below), whose sum is σ = 981011096880. Its totient is φ = 147151664496.

The previous prime is 441454993541. The next prime is 441454993561. The reversal of 441454993542 is 245399454144.

441454993542 is a `hidden beast` number, since 4 + 4 + 1 + 4 + 5 + 4 + 9 + 93 + 542 = 666.

It is a super-3 number, since 3×4414549935423 (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 8175092473 = 441454993542 / (4 + 4 + 1 + 4 + 5 + 4 + 9 + 9 + 3 + 5 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441454993541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4087546183 + ... + 4087546290.

It is an arithmetic number, because the mean of its divisors is an integer number (61313193555).

Almost surely, 2441454993542 is an apocalyptic number.

441454993542 is an abundant number, since it is smaller than the sum of its proper divisors (539556103338).

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

441454993542 is a wasteful number, since it uses less digits than its factorization.

441454993542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8175092484 (or 8175092478 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 54.

The spelling of 441454993542 in words is "four hundred forty-one billion, four hundred fifty-four million, nine hundred ninety-three thousand, five hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 8175092473 16350184946 24525277419 49050554838 73575832257 147151664514 220727496771 441454993542