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104220120157 is a prime number
BaseRepresentation
bin110000100010000000…
…0001101010001011101
3100222000021112122210021
41201010000031101131
53201420322321112
6115513354512141
710346446255546
oct1410400152135
9328007478707
10104220120157
11402215a490a
1218247135651
139a9bc1146a
1450897134cd
152a9e990907
hex184400d45d

104220120157 has 2 divisors, whose sum is σ = 104220120158. Its totient is φ = 104220120156.

The previous prime is 104220120113. The next prime is 104220120161. The reversal of 104220120157 is 751021022401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61709515396 + 42510604761 = 248414^2 + 206181^2 .

It is a cyclic number.

It is not a de Polignac number, because 104220120157 - 219 = 104219595869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104220120197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52110060078 + 52110060079.

It is an arithmetic number, because the mean of its divisors is an integer number (52110060079).

Almost surely, 2104220120157 is an apocalyptic number.

It is an amenable number.

104220120157 is a deficient number, since it is larger than the sum of its proper divisors (1).

104220120157 is an equidigital number, since it uses as much as digits as its factorization.

104220120157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 25.

Adding to 104220120157 its reverse (751021022401), we get a palindrome (855241142558).

The spelling of 104220120157 in words is "one hundred four billion, two hundred twenty million, one hundred twenty thousand, one hundred fifty-seven".