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215140041341 = 1911126387651
BaseRepresentation
bin1100100001011101011…
…0001000001001111101
3202120022110221110210022
43020113112020021331
512011101322310331
6242500045421525
721354241115141
oct3102726101175
9676273843708
10215140041341
1183270a43365
1235841b6a8a5
1317397b8b314
14a5acb5b221
1558e26ec67b
hex321758827d

215140041341 has 4 divisors (see below), whose sum is σ = 216266429184. Its totient is φ = 214013653500.

The previous prime is 215140041313. The next prime is 215140041397. The reversal of 215140041341 is 143140041512.

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 a de Polignac number, because none of the positive numbers 2k-215140041341 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 215140041341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215140041241) 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, 563193635 + ... + 563194016.

It is an arithmetic number, because the mean of its divisors is an integer number (54066607296).

Almost surely, 2215140041341 is an apocalyptic number.

It is an amenable number.

215140041341 is a deficient number, since it is larger than the sum of its proper divisors (1126387843).

215140041341 is a wasteful number, since it uses less digits than its factorization.

215140041341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126387842.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 215140041341 its reverse (143140041512), we get a palindrome (358280082853).

The spelling of 215140041341 in words is "two hundred fifteen billion, one hundred forty million, forty-one thousand, three hundred forty-one".

Divisors: 1 191 1126387651 215140041341