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32161321705741 = 43747937714087
BaseRepresentation
bin1110101000000001001000…
…01001111110000100001101
311012212120222210210100212121
413110000210021332010031
513203412341324040431
6152222412432132541
76526402350643054
oct724004411760415
9135776883710777
1032161321705741
11a27a5a3728098
1237350b5697151
1314c3a51a07b27
147d288b0c139b
153ab8ca7c0611
hex1d402427e10d

32161321705741 has 4 divisors (see below), whose sum is σ = 32909259419872. Its totient is φ = 31413383991612.

The previous prime is 32161321705739. The next prime is 32161321705801. The reversal of 32161321705741 is 14750712316123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32161321705741 - 21 = 32161321705739 is a prime.

It is a super-2 number, since 2×321613217057412 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 747937714087 = 32161321705741 / (3 + 2 + 1 + 6 + 1 + 3 + 2 + 1 + 7 + 0 + 5 + 7 + 4 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32161321705141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373968857001 + ... + 373968857086.

It is an arithmetic number, because the mean of its divisors is an integer number (8227314854968).

Almost surely, 232161321705741 is an apocalyptic number.

It is an amenable number.

32161321705741 is a deficient number, since it is larger than the sum of its proper divisors (747937714131).

32161321705741 is an equidigital number, since it uses as much as digits as its factorization.

32161321705741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747937714130.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 32161321705741 in words is "thirty-two trillion, one hundred sixty-one billion, three hundred twenty-one million, seven hundred five thousand, seven hundred forty-one".

Divisors: 1 43 747937714087 32161321705741