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130440000012444 = 2235137979544021
BaseRepresentation
bin11101101010001001101101…
…110111011000000010011100
3122002211221102212122211100000
4131222021231313120002130
5114044112110000344234
61141231150405134300
736321656541124533
oct3552115567300234
9562757385584300
10130440000012444
1138620325496a51
12127681900ba390
1357a2592c7b635
14242d48893331a
15101309c97c899
hex76a26ddd809c

130440000012444 has 72 divisors (see below), whose sum is σ = 344431187191728. Its totient is φ = 43162627697280.

The previous prime is 130440000012407. The next prime is 130440000012467. The reversal of 130440000012444 is 444210000044031.

130440000012444 is a `hidden beast` number, since 13 + 0 + 4 + 400 + 0 + 0 + 0 + 1 + 244 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent 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, 489638847 + ... + 489905174.

It is an arithmetic number, because the mean of its divisors is an integer number (4783766488774).

Almost surely, 2130440000012444 is an apocalyptic number.

It is an amenable number.

130440000012444 is an abundant number, since it is smaller than the sum of its proper divisors (213991187179284).

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

130440000012444 is a wasteful number, since it uses less digits than its factorization.

130440000012444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979544177 (or 979544163 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 130440000012444 its reverse (444210000044031), we get a palindrome (574650000056475).

The spelling of 130440000012444 in words is "one hundred thirty trillion, four hundred forty billion, twelve thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 137 162 243 274 324 411 486 548 822 972 1233 1644 2466 3699 4932 7398 11097 14796 22194 33291 44388 66582 133164 979544021 1959088042 2938632063 3918176084 5877264126 8815896189 11754528252 17631792378 26447688567 35263584756 52895377134 79343065701 105790754268 134197530877 158686131402 238029197103 268395061754 317372262804 402592592631 476058394206 536790123508 805185185262 952116788412 1207777777893 1610370370524 2415555555786 3623333333679 4831111111572 7246666667358 10870000001037 14493333334716 21740000002074 32610000003111 43480000004148 65220000006222 130440000012444