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318343038022893 = 31319312447047593
BaseRepresentation
bin100100001100010000000001…
…1101100101011010011101101
31112202011022000200010100201210
41020120200003230223103231
5313211213020213213033
63045020434524425033
7124024345151214552
oct11030400354532355
91482138020110653
10318343038022893
1192485584861634
122b85501b3a8179
1310882809570810
145887c571b6a29
1526c0c76462d63
hex1218803b2b4ed

318343038022893 has 48 divisors (see below), whose sum is σ = 497188452143040. Its totient is φ = 179605840561920.

The previous prime is 318343038022847. The next prime is 318343038022901. The reversal of 318343038022893 is 398220830343813.

It is not a de Polignac number, because 318343038022893 - 214 = 318343038006509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318343038022813) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 222811696 + ... + 224235897.

It is an arithmetic number, because the mean of its divisors is an integer number (10358092752980).

Almost surely, 2318343038022893 is an apocalyptic number.

It is an amenable number.

318343038022893 is a deficient number, since it is larger than the sum of its proper divisors (178845414120147).

318343038022893 is a wasteful number, since it uses less digits than its factorization.

318343038022893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447047690 (or 447047659 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 57.

The spelling of 318343038022893 in words is "three hundred eighteen trillion, three hundred forty-three billion, thirty-eight million, twenty-two thousand, eight hundred ninety-three".

Divisors: 1 3 13 19 31 39 57 93 247 403 589 741 961 1209 1767 2883 7657 12493 18259 22971 37479 54777 237367 712101 447047593 1341142779 5811618709 8493904267 13858475383 17434856127 25481712801 41575426149 110420755471 180160179979 263311032277 331262266413 429612736873 540480539937 789933096831 1288838210619 3423043419601 5584965579349 8162642000587 10269130258803 16754896738047 24487926001761 106114346007631 318343038022893