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310045145120 = 25510318813419
BaseRepresentation
bin1001000001100000010…
…00010111100000100000
31002122021120122021022222
410200300020113200200
520034433024120440
6354233251250212
731254131151614
oct4406010274040
91078246567288
10310045145120
1110a542446527
12501095a9968
1323310c94769
1411013297344
1580e94d82b5
hex4830217820

310045145120 has 48 divisors (see below), whose sum is σ = 739593167040. Its totient is φ = 122813992704.

The previous prime is 310045145119. The next prime is 310045145149. The reversal of 310045145120 is 21541540013.

It is a super-2 number, since 2×3100451451202 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 310045145120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9390230 + ... + 9423189.

It is an arithmetic number, because the mean of its divisors is an integer number (15408190980).

Almost surely, 2310045145120 is an apocalyptic number.

It is an amenable number.

310045145120 is an abundant number, since it is smaller than the sum of its proper divisors (429548021920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

310045145120 is a wasteful number, since it uses less digits than its factorization.

310045145120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18813537 (or 18813529 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 310045145120 its reverse (21541540013), we get a palindrome (331586685133).

The spelling of 310045145120 in words is "three hundred ten billion, forty-five million, one hundred forty-five thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 103 160 206 412 515 824 1030 1648 2060 3296 4120 8240 16480 18813419 37626838 75253676 94067095 150507352 188134190 301014704 376268380 602029408 752536760 1505073520 1937782157 3010147040 3875564314 7751128628 9688910785 15502257256 19377821570 31004514512 38755643140 62009029024 77511286280 155022572560 310045145120