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100121023357 is a prime number
BaseRepresentation
bin101110100111110101…
…1011001001101111101
3100120102121100222002021
41131033223121031331
53120021440221412
6113554525000141
710143043441165
oct1351753311575
9316377328067
10100121023357
1139508786803
12174a23b3051
1395979043b4
144bbb1655a5
15290eb93607
hex174fad937d

100121023357 has 2 divisors, whose sum is σ = 100121023358. Its totient is φ = 100121023356.

The previous prime is 100121023319. The next prime is 100121023417. The reversal of 100121023357 is 753320121001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99380040516 + 740982841 = 315246^2 + 27221^2 .

It is a cyclic number.

It is not a de Polignac number, because 100121023357 - 27 = 100121023229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100121023307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060511678 + 50060511679.

It is an arithmetic number, because the mean of its divisors is an integer number (50060511679).

Almost surely, 2100121023357 is an apocalyptic number.

It is an amenable number.

100121023357 is a deficient number, since it is larger than the sum of its proper divisors (1).

100121023357 is an equidigital number, since it uses as much as digits as its factorization.

100121023357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

Adding to 100121023357 its reverse (753320121001), we get a palindrome (853441144358).

The spelling of 100121023357 in words is "one hundred billion, one hundred twenty-one million, twenty-three thousand, three hundred fifty-seven".