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43801381461 = 359023247369
BaseRepresentation
bin101000110010110001…
…000000101001010101
311012001121000201112110
4220302301000221111
51204201123201321
632042211341233
73110303412405
oct506261005125
9135047021473
1043801381461
1117637813212
1285a4bb1819
1341907b16c6
1421973bc805
1512155c7176
hexa32c40a55

43801381461 has 8 divisors (see below), whose sum is σ = 58403067520. Its totient is φ = 29200308192.

The previous prime is 43801381453. The next prime is 43801381571. The reversal of 43801381461 is 16418310834.

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

It is not a de Polignac number, because 43801381461 - 23 = 43801381453 is a prime.

It is a super-2 number, since 2×438013814612 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43801381441) 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, 53385 + ... + 300753.

It is an arithmetic number, because the mean of its divisors is an integer number (7300383440).

Almost surely, 243801381461 is an apocalyptic number.

It is an amenable number.

43801381461 is a deficient number, since it is larger than the sum of its proper divisors (14601686059).

43801381461 is a wasteful number, since it uses less digits than its factorization.

43801381461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306395.

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 43801381461 in words is "forty-three billion, eight hundred one million, three hundred eighty-one thousand, four hundred sixty-one".

Divisors: 1 3 59023 177069 247369 742107 14600460487 43801381461