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2866473091945 = 51387934130573
BaseRepresentation
bin101001101101100111000…
…111000100001101101001
3101011000212102211112112001
4221231213013010031221
5333431014102420240
610032501202251001
7414044606160001
oct51554707041551
911130772745461
102866473091945
11a05734371401
123a3660056a61
1317a3cc05a238
149ca49267001
154e86be5a89a
hex29b671c4369

2866473091945 has 8 divisors (see below), whose sum is σ = 3439793326536. Its totient is φ = 2293161396096.

The previous prime is 2866473091877. The next prime is 2866473091981. The reversal of 2866473091945 is 5491903746682.

2866473091945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 683723919376 + 2182749172569 = 826876^2 + 1477413^2 .

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-2866473091945 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1371322 + ... + 2759251.

It is an arithmetic number, because the mean of its divisors is an integer number (429974165817).

It is a 2-persistent number, because it is pandigital, and so is 2⋅2866473091945 = 5732946183890, but 3⋅2866473091945 = 8599419275835 is not.

Almost surely, 22866473091945 is an apocalyptic number.

It is an amenable number.

2866473091945 is a deficient number, since it is larger than the sum of its proper divisors (573320234591).

2866473091945 is a wasteful number, since it uses less digits than its factorization.

2866473091945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4269371.

The product of its (nonzero) digits is 78382080, while the sum is 64.

The spelling of 2866473091945 in words is "two trillion, eight hundred sixty-six billion, four hundred seventy-three million, ninety-one thousand, nine hundred forty-five".

Divisors: 1 5 138793 693965 4130573 20652865 573294618389 2866473091945