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13101984 = 253276797
BaseRepresentation
bin110001111110…
…101110100000
3220122122112200
4301332232200
511323230414
61144453200
7216236130
oct61765640
926578480
1013101984
117439795
12447a200
13293976c
141a50ac0
15123c109
hexc7eba0

13101984 has 144 divisors (see below), whose sum is σ = 43662528. Its totient is φ = 3649536.

The previous prime is 13101983. The next prime is 13102003. The reversal of 13101984 is 48910131.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (13101983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135024 + ... + 135120.

It is an arithmetic number, because the mean of its divisors is an integer number (303212).

Almost surely, 213101984 is an apocalyptic number.

13101984 is a gapful number since it is divisible by the number (14) 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 13101984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21831264).

13101984 is an abundant number, since it is smaller than the sum of its proper divisors (30560544).

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

13101984 is a wasteful number, since it uses less digits than its factorization.

13101984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 13101984 is about 3619.6662829604. Note that the first 3 decimals coincide. The cubic root of 13101984 is about 235.7467358709.

The spelling of 13101984 in words is "thirteen million, one hundred one thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 67 72 84 96 97 112 126 134 144 168 194 201 224 252 268 288 291 336 388 402 469 504 536 582 603 672 679 776 804 873 938 1008 1072 1164 1206 1358 1407 1552 1608 1746 1876 2016 2037 2144 2328 2412 2716 2814 3104 3216 3492 3752 4074 4221 4656 4824 5432 5628 6111 6432 6499 6984 7504 8148 8442 9312 9648 10864 11256 12222 12998 13968 15008 16296 16884 19296 19497 21728 22512 24444 25996 27936 32592 33768 38994 45024 45493 48888 51992 58491 65184 67536 77988 90986 97776 103984 116982 135072 136479 155976 181972 195552 207968 233964 272958 311952 363944 409437 467928 545916 623904 727888 818874 935856 1091832 1455776 1637748 1871712 2183664 3275496 4367328 6550992 13101984