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1310200130320 = 245157104315297
BaseRepresentation
bin10011000100001110000…
…000110110101100010000
311122020212002200202112121
4103010032000312230100
5132431242213132240
62441521515504024
7163441660232554
oct23041600665420
94566762622477
101310200130320
1146571a8a9064
12191b13458014
13967223b6303
14475b2125864
152413466604a
hex1310e036b10

1310200130320 has 40 divisors (see below), whose sum is σ = 3065617977624. Its totient is φ = 520741957632.

The previous prime is 1310200130297. The next prime is 1310200130363. The reversal of 1310200130320 is 230310020131.

It can be written as a sum of positive squares in 4 ways, for example, as 72979941904 + 1237220188416 = 270148^2 + 1112304^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1310200130294 and 1310200130303.

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, 52145089 + ... + 52170208.

Almost surely, 21310200130320 is an apocalyptic number.

1310200130320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310200130320 is an abundant number, since it is smaller than the sum of its proper divisors (1755417847304).

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

1310200130320 is a wasteful number, since it uses less digits than its factorization.

1310200130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104315467 (or 104315461 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1310200130320 its reverse (230310020131), we get a palindrome (1540510150451).

The spelling of 1310200130320 in words is "one trillion, three hundred ten billion, two hundred million, one hundred thirty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 157 314 628 785 1256 1570 2512 3140 6280 12560 104315297 208630594 417261188 521576485 834522376 1043152970 1669044752 2086305940 4172611880 8345223760 16377501629 32755003258 65510006516 81887508145 131020013032 163775016290 262040026064 327550032580 655100065160 1310200130320