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122542103404100 = 22525404922672409
BaseRepresentation
bin11011110111001110001110…
…100010110001111001000100
3121001212220120212211010122002
4123313032032202301321010
5112030212211432412400
61112343022023124432
734545242362455062
oct3367161642617104
9531786525733562
10122542103404100
11360558a5784126
12118b15925a3718
13534b8948a1773
1422390d8805032
15e27904738ed5
hex6f738e8b1e44

122542103404100 has 36 divisors (see below), whose sum is σ = 265921296028500. Its totient is φ = 49015932303360.

The previous prime is 122542103404027. The next prime is 122542103404103. The reversal of 122542103404100 is 1404301245221.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 955666566724 + 121586436837376 = 977582^2 + 11026624^2 .

It is a super-2 number, since 2×1225421034041002 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122542103404103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5931305 + ... + 16741104.

Almost surely, 2122542103404100 is an apocalyptic number.

122542103404100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122542103404100 is an abundant number, since it is smaller than the sum of its proper divisors (143379192624400).

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

122542103404100 is a wasteful number, since it uses less digits than its factorization.

122542103404100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22726472 (or 22726465 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 122542103404100 its reverse (1404301245221), we get a palindrome (123946404649321).

The spelling of 122542103404100 in words is "one hundred twenty-two trillion, five hundred forty-two billion, one hundred three million, four hundred four thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 54049 108098 216196 270245 540490 1080980 1351225 2702450 5404900 22672409 45344818 90689636 113362045 226724090 453448180 566810225 1133620450 2267240900 1225421034041 2450842068082 4901684136164 6127105170205 12254210340410 24508420680820 30635525851025 61271051702050 122542103404100