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122554342200020 = 22531719327480647
BaseRepresentation
bin11011110111011001101000…
…000010000101001011010100
3121001221002011211021101101212
4123313121220002011023110
5112030412243100400040
61112352404303040552
734546154563510613
oct3367315002051324
9531832154241355
10122554342200020
11360600062066a5
12118b3a292a0158
13534ca95355043
14223993a02387a
15e27dbde28d65
hex6f76680852d4

122554342200020 has 48 divisors (see below), whose sum is σ = 265703130620928. Its totient is φ = 47433793447680.

The previous prime is 122554342199977. The next prime is 122554342200053. The reversal of 122554342200020 is 20002243455221.

It is a self number, because there is not a number n which added to its sum of digits gives 122554342200020.

It is a congruent number.

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, 9280664 + ... + 18199983.

It is an arithmetic number, because the mean of its divisors is an integer number (5535481887936).

Almost surely, 2122554342200020 is an apocalyptic number.

122554342200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122554342200020 is an abundant number, since it is smaller than the sum of its proper divisors (143148788420908).

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

122554342200020 is a wasteful number, since it uses less digits than its factorization.

122554342200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27487880 (or 27487878 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 122554342200020 its reverse (20002243455221), we get a palindrome (142556585655241).

The spelling of 122554342200020 in words is "one hundred twenty-two trillion, five hundred fifty-four billion, three hundred forty-two million, two hundred thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 7193 14386 28772 35965 71930 143860 222983 445966 891932 1114915 2229830 4459660 27480647 54961294 109922588 137403235 274806470 549612940 851900057 1703800114 3407600228 4259500285 8519000570 17038001140 197668293871 395336587742 790673175484 988341469355 1976682938710 3953365877420 6127717110001 12255434220002 24510868440004 30638585550005 61277171100010 122554342200020