Search a number
-
+
10749591938 = 216724392
BaseRepresentation
bin10100000001011100…
…11100000110000010
31000202011020211221202
422000232130012002
5134003343420223
64534401021202
7530246011121
oct120056340602
930664224852
1010749591938
114616956588
122100024802
1310240a12b7
1473d929ab8
1542dac9428
hex280b9c182

10749591938 has 18 divisors (see below), whose sum is σ = 16258554531. Its totient is φ = 5330441604.

The previous prime is 10749591883. The next prime is 10749591953. The reversal of 10749591938 is 83919594701.

It can be written as a sum of positive squares in only one way, i.e., 5374795969 + 5374795969 = 73313^2 + 73313^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=73313.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 24486323 + ... + 24486761.

Almost surely, 210749591938 is an apocalyptic number.

10749591938 is a deficient number, since it is larger than the sum of its proper divisors (5508962593).

10749591938 is an frugal number, since it uses more digits than its factorization.

10749591938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 56.

The spelling of 10749591938 in words is "ten billion, seven hundred forty-nine million, five hundred ninety-one thousand, nine hundred thirty-eight".

Divisors: 1 2 167 334 439 878 27889 55778 73313 146626 192721 385442 12243271 24486542 32184407 64368814 5374795969 10749591938