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1080102242 = 217213672
BaseRepresentation
bin100000001100001…
…0000110101100010
32210021101212201202
41000120100311202
54203001232432
6255102201202
735523501062
oct10030206542
92707355652
101080102242
1150476488a
12261883202
13142a04c6b
14a363d3a2
1564c55462
hex40610d62

1080102242 has 18 divisors (see below), whose sum is σ = 1722322497. Its totient is φ = 507911584.

The previous prime is 1080102239. The next prime is 1080102263. The reversal of 1080102242 is 2422010801.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 988536481 + 91565761 = 31441^2 + 9569^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=23239.

It is a Duffinian 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, 789443 + ... + 790809.

Almost surely, 21080102242 is an apocalyptic number.

1080102242 is a deficient number, since it is larger than the sum of its proper divisors (642220255).

1080102242 is an frugal number, since it uses more digits than its factorization.

1080102242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770 (or 1386 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1080102242 is about 32864.9089759884. The cubic root of 1080102242 is about 1026.0179431623.

The spelling of 1080102242 in words is "one billion, eighty million, one hundred two thousand, two hundred forty-two".

Divisors: 1 2 17 34 289 578 1367 2734 23239 46478 395063 790126 1868689 3737378 31767713 63535426 540051121 1080102242