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20104444104 = 23342112291619
BaseRepresentation
bin10010101110010100…
…010111100011001000
31220220010001120121220
4102232110113203020
5312133214202404
613122540002040
71311130645443
oct225624274310
956803046556
1020104444104
118587486468
123a90b30320
131b85216194
14d8a11265a
157c9eec4d9
hex4ae5178c8

20104444104 has 64 divisors (see below), whose sum is σ = 50452632000. Its totient is φ = 6675997440.

The previous prime is 20104444081. The next prime is 20104444117. The reversal of 20104444104 is 40144440102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12417007 + ... + 12418625.

It is an arithmetic number, because the mean of its divisors is an integer number (788322375).

Almost surely, 220104444104 is an apocalyptic number.

20104444104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20104444104 is an abundant number, since it is smaller than the sum of its proper divisors (30348187896).

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

20104444104 is a wasteful number, since it uses less digits than its factorization.

20104444104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3278 (or 3274 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 20104444104 its reverse (40144440102), we get a palindrome (60248884206).

The spelling of 20104444104 in words is "twenty billion, one hundred four million, four hundred forty-four thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 24 421 842 1229 1263 1619 1684 2458 2526 3238 3368 3687 4857 4916 5052 6476 7374 9714 9832 10104 12952 14748 19428 29496 38856 517409 681599 1034818 1363198 1552227 1989751 2044797 2069636 2726396 3104454 3979502 4089594 4139272 5452792 5969253 6208908 7959004 8179188 11938506 12417816 15918008 16358376 23877012 47754024 837685171 1675370342 2513055513 3350740684 5026111026 6701481368 10052222052 20104444104