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133144021160 = 23530738328309
BaseRepresentation
bin111110000000000000…
…0001000100010101000
3110201200000222001211222
41330000000020202220
54140134332134120
6141055430241212
712422301335543
oct1740000104250
9421600861758
10133144021160
1151514368827
12219797b6208
13c72b373797
146630c8185a
1536e3da5525
hex1f000088a8

133144021160 has 64 divisors (see below), whose sum is σ = 301345228800. Its totient is φ = 52943659776.

The previous prime is 133144021141. The next prime is 133144021163. The reversal of 133144021160 is 61120441331.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (133144021163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4689086 + ... + 4717394.

It is an arithmetic number, because the mean of its divisors is an integer number (4708519200).

Almost surely, 2133144021160 is an apocalyptic number.

133144021160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133144021160 is an abundant number, since it is smaller than the sum of its proper divisors (168201207640).

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

133144021160 is a wasteful number, since it uses less digits than its factorization.

133144021160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29010 (or 29006 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 133144021160 its reverse (61120441331), we get a palindrome (194264462491).

The spelling of 133144021160 in words is "one hundred thirty-three billion, one hundred forty-four million, twenty-one thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 307 383 614 766 1228 1532 1535 1915 2456 3064 3070 3830 6140 7660 12280 15320 28309 56618 113236 117581 141545 226472 235162 283090 470324 566180 587905 940648 1132360 1175810 2351620 4703240 8690863 10842347 17381726 21684694 34763452 43369388 43454315 54211735 69526904 86738776 86908630 108423470 173817260 216846940 347634520 433693880 3328600529 6657201058 13314402116 16643002645 26628804232 33286005290 66572010580 133144021160