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104215530144400 = 2452478387660949
BaseRepresentation
bin10111101100100010010001…
…101001111000001010010000
3111122222220111110222222210121
4113230202101221320022100
5102124431401204110100
61005351541551440024
730644215663145323
oct2754422151701220
9448886443888717
10104215530144400
113022a615967324
12b831802226014
13461c6368875ac
141ba40b6a187ba
15c0ad4233351a
hex5ec891a78290

104215530144400 has 120 divisors (see below), whose sum is σ = 255735873820800. Its totient is φ = 40794345070080.

The previous prime is 104215530144391. The next prime is 104215530144457. The reversal of 104215530144400 is 4441035512401.

It is a happy 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, 157345126 + ... + 158006074.

It is an arithmetic number, because the mean of its divisors is an integer number (2131132281840).

Almost surely, 2104215530144400 is an apocalyptic number.

104215530144400 is a gapful number since it is divisible by the number (10) 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 104215530144400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127867936910400).

104215530144400 is an abundant number, since it is smaller than the sum of its proper divisors (151520343676400).

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

104215530144400 is a wasteful number, since it uses less digits than its factorization.

104215530144400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669401 (or 669390 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 104215530144400 its reverse (4441035512401), we get a palindrome (108656565656801).

The spelling of 104215530144400 in words is "one hundred four trillion, two hundred fifteen billion, five hundred thirty million, one hundred forty-four thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 47 50 80 94 100 188 200 235 376 400 470 752 940 1175 1880 2350 3760 4700 8387 9400 16774 18800 33548 41935 67096 83870 134192 167740 209675 335480 394189 419350 660949 670960 788378 838700 1321898 1576756 1677400 1970945 2643796 3153512 3304745 3354800 3941890 5287592 6307024 6609490 7883780 9854725 10575184 13218980 15767560 16523725 19709450 26437960 31064603 31535120 33047450 39418900 52875920 62129206 66094900 78837800 124258412 132189800 155323015 157675600 248516824 264379600 310646030 497033648 621292060 776615075 1242584120 1553230150 2485168240 3106460300 5543379263 6212920600 11086758526 12425841200 22173517052 27716896315 44347034104 55433792630 88694068208 110867585260 138584481575 221735170520 260538825361 277168963150 443470341040 521077650722 554337926300 1042155301444 1108675852600 1302694126805 2084310602888 2217351705200 2605388253610 4168621205776 5210776507220 6513470634025 10421553014440 13026941268050 20843106028880 26053882536100 52107765072200 104215530144400