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214432153541 = 1731239492217
BaseRepresentation
bin1100011110110100100…
…1101111111111000101
3202111111010221001021122
43013231021233333011
512003124112403131
6242301521123325
721330554142254
oct3075511577705
9674433831248
10214432153541
1182a383a6821
1235684a89545
13172b43198b8
14a542b2c79b
1558a04bcd7b
hex31ed26ffc5

214432153541 has 4 divisors (see below), whose sum is σ = 215671645932. Its totient is φ = 213192661152.

The previous prime is 214432153487. The next prime is 214432153577. The reversal of 214432153541 is 145351234412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 104665837441 + 109766316100 = 323521^2 + 331310^2 .

It is a cyclic number.

It is not a de Polignac number, because 214432153541 - 222 = 214427959237 is a prime.

It is a super-2 number, since 2×2144321535412 (a number of 23 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 (214432153841) 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, 619745936 + ... + 619746281.

It is an arithmetic number, because the mean of its divisors is an integer number (53917911483).

Almost surely, 2214432153541 is an apocalyptic number.

It is an amenable number.

214432153541 is a deficient number, since it is larger than the sum of its proper divisors (1239492391).

214432153541 is a wasteful number, since it uses less digits than its factorization.

214432153541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239492390.

The product of its digits is 57600, while the sum is 35.

Adding to 214432153541 its reverse (145351234412), we get a palindrome (359783387953).

The spelling of 214432153541 in words is "two hundred fourteen billion, four hundred thirty-two million, one hundred fifty-three thousand, five hundred forty-one".

Divisors: 1 173 1239492217 214432153541