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1283457101 is a prime number
BaseRepresentation
bin100110010000000…
…0000000001001101
310022110001101011012
41030200000001031
510112031111401
6331204535005
743543130303
oct11440000115
93273041135
101283457101
115a9529353
122b99b1465
13175b95294
14c2656273
1577a238bb
hex4c80004d

1283457101 has 2 divisors, whose sum is σ = 1283457102. Its totient is φ = 1283457100.

The previous prime is 1283457083. The next prime is 1283457107. The reversal of 1283457101 is 1017543821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1260321001 + 23136100 = 35501^2 + 4810^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1283457101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1283457107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641728550 + 641728551.

It is an arithmetic number, because the mean of its divisors is an integer number (641728551).

Almost surely, 21283457101 is an apocalyptic number.

It is an amenable number.

1283457101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1283457101 is an equidigital number, since it uses as much as digits as its factorization.

1283457101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 1283457101 is about 35825.3695165870. The cubic root of 1283457101 is about 1086.7436695760.

The spelling of 1283457101 in words is "one billion, two hundred eighty-three million, four hundred fifty-seven thousand, one hundred one".