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1310015105120 = 255283160917981
BaseRepresentation
bin10011000100000010111…
…111000010100001100000
311122020101012112111200102
4103010002333002201200
5132430402331330440
62441451310041532
7163434252444521
oct23040277024140
94566335474612
101310015105120
11465635413977
12191a814a92a8
13966c2c73047
1447595720848
15241232b8b15
hex13102fc2860

1310015105120 has 96 divisors (see below), whose sum is σ = 3107949899040. Its totient is φ = 521800888320.

The previous prime is 1310015105099. The next prime is 1310015105153. The reversal of 1310015105120 is 215015100131.

It is a happy number.

It is a super-2 number, since 2×13100151051202 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1310015105092 and 1310015105101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72846530 + ... + 72864510.

It is an arithmetic number, because the mean of its divisors is an integer number (32374478115).

Almost surely, 21310015105120 is an apocalyptic number.

1310015105120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1310015105120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1553974949520).

1310015105120 is an abundant number, since it is smaller than the sum of its proper divisors (1797934793920).

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

1310015105120 is a wasteful number, since it uses less digits than its factorization.

1310015105120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19888 (or 19880 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 20.

The spelling of 1310015105120 in words is "one trillion, three hundred ten billion, fifteen million, one hundred five thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 283 566 1132 1415 1609 2264 2830 3218 4528 5660 6436 8045 9056 11320 12872 16090 17981 22640 25744 32180 35962 45280 51488 64360 71924 89905 128720 143848 179810 257440 287696 359620 455347 575392 719240 910694 1438480 1821388 2276735 2876960 3642776 4553470 5088623 7285552 9106940 10177246 14571104 18213880 20354492 25443115 28931429 36427760 40708984 50886230 57862858 72855520 81417968 101772460 115725716 144657145 162835936 203544920 231451432 289314290 407089840 462902864 578628580 814179680 925805728 1157257160 2314514320 4629028640 8187594407 16375188814 32750377628 40937972035 65500755256 81875944070 131001510512 163751888140 262003021024 327503776280 655007552560 1310015105120