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1315020551430 = 235193016976471
BaseRepresentation
bin10011001000101101010…
…101010011010100000110
311122201022001011112011210
4103020231111103110012
5133021130230121210
62444040114112250
7164002302154455
oct23105525232406
94581261145153
101315020551430
11467773900863
12192a3987b686
139700cc8a8b1
144790c3dcb9c
1524317948e20
hex1322d553506

1315020551430 has 64 divisors (see below), whose sum is σ = 3322310745600. Its totient is φ = 332200362240.

The previous prime is 1315020551417. The next prime is 1315020551431. The reversal of 1315020551430 is 341550205131.

It is a super-2 number, since 2×13150205514302 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315020551431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17158095 + ... + 17234565.

It is an arithmetic number, because the mean of its divisors is an integer number (51911105400).

Almost surely, 21315020551430 is an apocalyptic number.

1315020551430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1315020551430 is an abundant number, since it is smaller than the sum of its proper divisors (2007290194170).

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

1315020551430 is a wasteful number, since it uses less digits than its factorization.

1315020551430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106669.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 1315020551430 its reverse (341550205131), we get a palindrome (1656570756561).

The spelling of 1315020551430 in words is "one trillion, three hundred fifteen billion, twenty million, five hundred fifty-one thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 30169 60338 76471 90507 150845 152942 181014 229413 301690 382355 452535 458826 573211 764710 905070 1146422 1147065 1452949 1719633 2294130 2866055 2905898 3439266 4358847 5732110 7264745 8598165 8717694 14529490 17196330 21794235 43588470 2307053599 4614107198 6921160797 11535267995 13842321594 23070535990 34605803985 43834018381 69211607970 87668036762 131502055143 219170091905 263004110286 438340183810 657510275715 1315020551430