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204454753541 = 4191657329443
BaseRepresentation
bin1011111001101001110…
…0111111010100000101
3201112201210200121112022
42332122130333110011
511322210404103131
6233531502532525
720525402505443
oct2763234772405
9645653617468
10204454753541
11797884184a5
123375b597145
131638421310c
149c779adb93
1554b95c637b
hex2f9a73f505

204454753541 has 8 divisors (see below), whose sum is σ = 204962039520. Its totient is φ = 203947560432.

The previous prime is 204454753471. The next prime is 204454753543. The reversal of 204454753541 is 145357454402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-204454753541 is a prime.

It is a super-2 number, since 2×2044547535412 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204454753492 and 204454753501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204454753543) 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, 6929366 + ... + 6958808.

It is an arithmetic number, because the mean of its divisors is an integer number (25620254940).

Almost surely, 2204454753541 is an apocalyptic number.

It is an amenable number.

204454753541 is a deficient number, since it is larger than the sum of its proper divisors (507285979).

204454753541 is a wasteful number, since it uses less digits than its factorization.

204454753541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46435.

The product of its (nonzero) digits is 1344000, while the sum is 44.

The spelling of 204454753541 in words is "two hundred four billion, four hundred fifty-four million, seven hundred fifty-three thousand, five hundred forty-one".

Divisors: 1 419 16573 29443 6944087 12336617 487958839 204454753541