Search a number
-
+
16755720131090 = 2513747712188017
BaseRepresentation
bin1111001111010011111010…
…1111110001001000010010
32012022211102221112010210102
43303310332233301020102
54144011203323143330
655345245505132402
73346363236110003
oct363647657611022
965284387463712
1016755720131090
115380074214286
121a6745492a102
139470997c0c05
1441cda450d1aa
151e0cc4acb945
hexf3d3ebf1212

16755720131090 has 16 divisors (see below), whose sum is σ = 30160518094872. Its totient is φ = 6702238750464.

The previous prime is 16755720131089. The next prime is 16755720131107. The reversal of 16755720131090 is 9013102755761.

It can be written as a sum of positive squares in 4 ways, for example, as 7423483304449 + 9332236826641 = 2724607^2 + 3054871^2 .

It is a super-2 number, since 2×167557201310902 (a number of 27 digits) contains 22 as substring.

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, 4719239 + ... + 7468778.

Almost surely, 216755720131090 is an apocalyptic number.

16755720131090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16755720131090 is a deficient number, since it is larger than the sum of its proper divisors (13404797963782).

16755720131090 is a wasteful number, since it uses less digits than its factorization.

16755720131090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12325501.

The product of its (nonzero) digits is 396900, while the sum is 47.

The spelling of 16755720131090 in words is "sixteen trillion, seven hundred fifty-five billion, seven hundred twenty million, one hundred thirty-one thousand, ninety".

Divisors: 1 2 5 10 137477 274954 687385 1374770 12188017 24376034 60940085 121880170 1675572013109 3351144026218 8377860065545 16755720131090