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310661011145 = 5547727156241
BaseRepresentation
bin1001000010101001101…
…01101101011011001001
31002200212111111111200202
410201110311231123021
520042213204324040
6354414331341545
731305320011442
oct4412465553311
91080774444622
10310661011145
1110a829050811
125025b8b18b5
13233ab756c24
1411070db02c9
1581335dc015
hex4854d6d6c9

310661011145 has 16 divisors (see below), whose sum is σ = 373990850688. Its totient is φ = 247731644160.

The previous prime is 310661011093. The next prime is 310661011163. The reversal of 310661011145 is 541110166013.

It is not a de Polignac number, because 310661011145 - 26 = 310661011081 is a prime.

It is a super-2 number, since 2×3106610111452 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1910225 + ... + 2066465.

It is an arithmetic number, because the mean of its divisors is an integer number (23374428168).

Almost surely, 2310661011145 is an apocalyptic number.

It is an amenable number.

310661011145 is a deficient number, since it is larger than the sum of its proper divisors (63329839543).

310661011145 is a wasteful number, since it uses less digits than its factorization.

310661011145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157520.

The product of its (nonzero) digits is 2160, while the sum is 29.

Adding to 310661011145 its reverse (541110166013), we get a palindrome (851771177158).

The spelling of 310661011145 in words is "three hundred ten billion, six hundred sixty-one million, eleven thousand, one hundred forty-five".

Divisors: 1 5 547 727 2735 3635 156241 397669 781205 1988345 85463827 113587207 427319135 567936035 62132202229 310661011145