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102122131200123 = 3154322061380687
BaseRepresentation
bin10111001110000100101001…
…010110101001100001111011
3111101120210001220120011201010
4113032010221112221201323
5101341132111041400443
61001110132011125003
730340036416544206
oct2716045126514173
9441523056504633
10102122131200123
112a5a28308202a1
12b553b53143763
1344ca0ca287828
141b30a47a9693d
15bc166e8ce733
hex5ce1295a987b

102122131200123 has 8 divisors (see below), whose sum is σ = 136251087129088. Its totient is φ = 68037298035624.

The previous prime is 102122131200073. The next prime is 102122131200139. The reversal of 102122131200123 is 321002131221201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102122131200123 - 234 = 102104951330939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102122131200123.

It is not an unprimeable number, because it can be changed into a prime (102122131200823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11030685715 + ... + 11030694972.

It is an arithmetic number, because the mean of its divisors is an integer number (17031385891136).

Almost surely, 2102122131200123 is an apocalyptic number.

102122131200123 is a deficient number, since it is larger than the sum of its proper divisors (34128955928965).

102122131200123 is a wasteful number, since it uses less digits than its factorization.

102122131200123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22061382233.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 102122131200123 its reverse (321002131221201), we get a palindrome (423124262421324).

The spelling of 102122131200123 in words is "one hundred two trillion, one hundred twenty-two billion, one hundred thirty-one million, two hundred thousand, one hundred twenty-three".

Divisors: 1 3 1543 4629 22061380687 66184142061 34040710400041 102122131200123