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141550030421 = 365297387493
BaseRepresentation
bin1000001111010100001…
…0100000111001010101
3111112100212100120202022
42003311002200321111
54304343301433141
6145005512222525
713140512256302
oct2036502407125
9445325316668
10141550030421
1155038335a18
122352499aa45
131046aa50467
146bcb4360a9
153a36d4eb4b
hex20f50a0e55

141550030421 has 4 divisors (see below), whose sum is σ = 141550783212. Its totient is φ = 141549277632.

The previous prime is 141550030411. The next prime is 141550030429. The reversal of 141550030421 is 124030055141.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 126718200625 + 14831829796 = 355975^2 + 121786^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-141550030421 is a prime.

It is a super-3 number, since 3×1415500304213 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141550030429) 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, 171551 + ... + 559043.

It is an arithmetic number, because the mean of its divisors is an integer number (35387695803).

Almost surely, 2141550030421 is an apocalyptic number.

It is an amenable number.

141550030421 is a deficient number, since it is larger than the sum of its proper divisors (752791).

141550030421 is an equidigital number, since it uses as much as digits as its factorization.

141550030421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752790.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 141550030421 its reverse (124030055141), we get a palindrome (265580085562).

The spelling of 141550030421 in words is "one hundred forty-one billion, five hundred fifty million, thirty thousand, four hundred twenty-one".

Divisors: 1 365297 387493 141550030421