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1005415520413 = 31101321116423
BaseRepresentation
bin11101010000101110110…
…11110101100010011101
310120010011010200100220011
432220113123311202131
5112433042333123123
62045514223523221
7132432063626203
oct16502733654235
93503133610804
101005415520413
113584379395a7
12142a33759511
1373a6c2411a5
143693b78d073
151b246de9e0d
hexea176f589d

1005415520413 has 8 divisors (see below), whose sum is σ = 1048124007936. Its totient is φ = 963349266000.

The previous prime is 1005415520383. The next prime is 1005415520419. The reversal of 1005415520413 is 3140255145001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1005415520413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005415520419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160555081 + ... + 160561342.

It is an arithmetic number, because the mean of its divisors is an integer number (131015500992).

Almost surely, 21005415520413 is an apocalyptic number.

It is an amenable number.

1005415520413 is a deficient number, since it is larger than the sum of its proper divisors (42708487523).

1005415520413 is a wasteful number, since it uses less digits than its factorization.

1005415520413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321116555.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 1005415520413 in words is "one trillion, five billion, four hundred fifteen million, five hundred twenty thousand, four hundred thirteen".

Divisors: 1 31 101 3131 321116423 9954609113 32432758723 1005415520413