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1310000313200 = 24529193563657
BaseRepresentation
bin10011000100000010000…
…110100111001101110000
311122020100011200222222112
4103010002012213031300
5132430340040010300
62441450021024452
7163434012636425
oct23040206471560
94566304628875
101310000313200
11465628030547
12191a78555128
13966bcb94327
144759378dd4c
1524121d45e35
hex131021a7370

1310000313200 has 60 divisors (see below), whose sum is σ = 3150701310960. Its totient is φ = 523429793280.

The previous prime is 1310000313187. The next prime is 1310000313217. The reversal of 1310000313200 is 23130000131.

It is a super-2 number, since 2×13100003132002 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1414229 + ... + 2149428.

It is an arithmetic number, because the mean of its divisors is an integer number (52511688516).

Almost surely, 21310000313200 is an apocalyptic number.

1310000313200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310000313200 is an abundant number, since it is smaller than the sum of its proper divisors (1840700997760).

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

1310000313200 is a wasteful number, since it uses less digits than its factorization.

1310000313200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3564594 (or 3564583 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 1310000313200 its reverse (23130000131), we get a palindrome (1333130313331).

The spelling of 1310000313200 in words is "one trillion, three hundred ten billion, three hundred thirteen thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 919 1838 3676 4595 7352 9190 14704 18380 22975 36760 45950 73520 91900 183800 367600 3563657 7127314 14254628 17818285 28509256 35636570 57018512 71273140 89091425 142546280 178182850 285092560 356365700 712731400 1425462800 3275000783 6550001566 13100003132 16375003915 26200006264 32750007830 52400012528 65500015660 81875019575 131000031320 163750039150 262000062640 327500078300 655000156600 1310000313200