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122030155052 = 22132778471963
BaseRepresentation
bin111000110100110010…
…0000110010100101100
3102122222111021011200022
41301221210012110230
53444404204430202
6132020533421312
711550010126541
oct1615144062454
9378874234608
10122030155052
1147830928713
121b79779a838
13b67998c150
145c98c10bc8
153293322ea2
hex1c6990652c

122030155052 has 24 divisors (see below), whose sum is σ = 230810187216. Its totient is φ = 56118276288.

The previous prime is 122030154979. The next prime is 122030155081. The reversal of 122030155052 is 250551030221.

It is a super-2 number, since 2×1220301550522 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4221578 + ... + 4250385.

It is an arithmetic number, because the mean of its divisors is an integer number (9617091134).

Almost surely, 2122030155052 is an apocalyptic number.

It is an amenable number.

122030155052 is a deficient number, since it is larger than the sum of its proper divisors (108780032164).

122030155052 is a wasteful number, since it uses less digits than its factorization.

122030155052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8472257 (or 8472255 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 122030155052 its reverse (250551030221), we get a palindrome (372581185273).

The spelling of 122030155052 in words is "one hundred twenty-two billion, thirty million, one hundred fifty-five thousand, fifty-two".

Divisors: 1 2 4 13 26 52 277 554 1108 3601 7202 14404 8471963 16943926 33887852 110135519 220271038 440542076 2346733751 4693467502 9386935004 30507538763 61015077526 122030155052