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13111310450140 = 22571944910977871
BaseRepresentation
bin1011111011001011011100…
…0000000111110111011100
31201102102120202202021021221
42332302313000013313130
53204303430433401030
643515130341503124
72522155331665240
oct276626700076734
951372522667257
1013111310450140
1141a5525a35451
121579087411aa4
1374151180b9b6
1433483b28a420
1517b0c6835e7a
hexbecb7007ddc

13111310450140 has 96 divisors (see below), whose sum is σ = 33197084928000. Its totient is φ = 4249226096640.

The previous prime is 13111310450107. The next prime is 13111310450153. The reversal of 13111310450140 is 4105401311131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4294596 + ... + 6683275.

It is an arithmetic number, because the mean of its divisors is an integer number (345802968000).

Almost surely, 213111310450140 is an apocalyptic number.

13111310450140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13111310450140 is an abundant number, since it is smaller than the sum of its proper divisors (20085774477860).

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

13111310450140 is a wasteful number, since it uses less digits than its factorization.

13111310450140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10978355 (or 10978353 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 13111310450140 its reverse (4105401311131), we get a palindrome (17216711761271).

The spelling of 13111310450140 in words is "thirteen trillion, one hundred eleven billion, three hundred ten million, four hundred fifty thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 19 20 28 35 38 70 76 95 133 140 190 266 380 449 532 665 898 1330 1796 2245 2660 3143 4490 6286 8531 8980 12572 15715 17062 31430 34124 42655 59717 62860 85310 119434 170620 238868 298585 597170 1194340 10977871 21955742 43911484 54889355 76845097 109778710 153690194 208579549 219557420 307380388 384225485 417159098 768450970 834318196 1042897745 1460056843 1536901940 2085795490 2920113686 4171590980 4929064079 5840227372 7300284215 9858128158 14600568430 19716256316 24645320395 29201136860 34503448553 49290640790 69006897106 93652217501 98581281580 138013794212 172517242765 187304435002 345034485530 374608870004 468261087505 655565522507 690068971060 936522175010 1311131045014 1873044350020 2622262090028 3277827612535 6555655225070 13111310450140