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13220011154 = 2721099831259
BaseRepresentation
bin11000100111111100…
…10101110010010010
31021010022210011000202
430103332111302102
5204033310324104
610023450415202
7645414145400
oct142376256222
937108704022
1013220011154
115674396059
12268b431502
131328b4450c
148d5a7a470
1552591051e
hex313f95c92

13220011154 has 48 divisors (see below), whose sum is σ = 23321390400. Its totient is φ = 5603574816.

The previous prime is 13220011109. The next prime is 13220011171. The reversal of 13220011154 is 45111002231.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10499777 + ... + 10501035.

It is an arithmetic number, because the mean of its divisors is an integer number (485862300).

Almost surely, 213220011154 is an apocalyptic number.

13220011154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13220011154 is a deficient number, since it is larger than the sum of its proper divisors (10101379246).

13220011154 is a wasteful number, since it uses less digits than its factorization.

13220011154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367 (or 2360 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 13220011154 its reverse (45111002231), we get a palindrome (58331013385).

The spelling of 13220011154 in words is "thirteen billion, two hundred twenty million, eleven thousand, one hundred fifty-four".

Divisors: 1 2 7 14 49 98 109 218 763 983 1259 1526 1966 2518 5341 6881 8813 10682 13762 17626 48167 61691 96334 107147 123382 137231 214294 274462 750029 960617 1237597 1500058 1921234 2475194 5250203 6724319 8663179 10500406 13448638 17326358 60642253 121284506 134898073 269796146 944286511 1888573022 6610005577 13220011154