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122400552202050 = 23521423573438989
BaseRepresentation
bin11011110101001010011001…
…011011110010111101000010
3121001101101012221021000201010
4123311022121123302331002
5112020402312330431200
61112154012025421350
734532101534215603
oct3365123133627502
9531341187230633
10122400552202050
1136000867818a21
121188a06933a856
13533b426830c45
14223230b185daa
15e23dbc757150
hex6f52996f2f42

122400552202050 has 48 divisors (see below), whose sum is σ = 303766689294720. Its totient is φ = 32617209637440.

The previous prime is 122400552202013. The next prime is 122400552202057. The reversal of 122400552202050 is 50202255004221.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 122400552201999 and 122400552202017.

It is not an unprimeable number, because it can be changed into a prime (122400552202057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286506045 + ... + 286932944.

It is an arithmetic number, because the mean of its divisors is an integer number (6328472693640).

Almost surely, 2122400552202050 is an apocalyptic number.

122400552202050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122400552202050 is an abundant number, since it is smaller than the sum of its proper divisors (181366137092670).

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

122400552202050 is a wasteful number, since it uses less digits than its factorization.

122400552202050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573440427 (or 573440422 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The spelling of 122400552202050 in words is "one hundred twenty-two trillion, four hundred billion, five hundred fifty-two million, two hundred two thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 1423 2846 4269 7115 8538 14230 21345 35575 42690 71150 106725 213450 573438989 1146877978 1720316967 2867194945 3440633934 5734389890 8601584835 14335974725 17203169670 28671949450 43007924175 86015848350 816003681347 1632007362694 2448011044041 4080018406735 4896022088082 8160036813470 12240055220205 20400092033675 24480110440410 40800184067350 61200276101025 122400552202050