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34721206445 = 537732570989
BaseRepresentation
bin100000010101100010…
…111001000010101101
310022121210002001002002
4200111202321002231
51032102112101240
623541203542045
72336265246062
oct402542710255
9108553061062
1034721206445
11137a8241342
12689008a925
13337453c493
141975496c69
15d8335ed15
hex8158b90ad

34721206445 has 16 divisors (see below), whose sum is σ = 43377743280. Its totient is φ = 26656003584.

The previous prime is 34721206441. The next prime is 34721206447. The reversal of 34721206445 is 54460212743.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2758560484 + 31962645961 = 52522^2 + 178781^2 .

It is a cyclic number.

It is not a de Polignac number, because 34721206445 - 22 = 34721206441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34721206399 and 34721206408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34721206441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1271990 + ... + 1298999.

It is an arithmetic number, because the mean of its divisors is an integer number (2711108955).

Almost surely, 234721206445 is an apocalyptic number.

It is an amenable number.

34721206445 is a deficient number, since it is larger than the sum of its proper divisors (8656536835).

34721206445 is a wasteful number, since it uses less digits than its factorization.

34721206445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571104.

The product of its (nonzero) digits is 161280, while the sum is 38.

The spelling of 34721206445 in words is "thirty-four billion, seven hundred twenty-one million, two hundred six thousand, four hundred forty-five".

Divisors: 1 5 37 73 185 365 2701 13505 2570989 12854945 95126593 187682197 475632965 938410985 6944241289 34721206445