Search a number
-
+
1454719945121 is a prime number
BaseRepresentation
bin10101001010110100000…
…100001100100110100001
312011001212221020000120222
4111022310010030212201
5142313231301220441
63032142241012425
7210046213340522
oct25126404144641
95131787200528
101454719945121
11510a41536a33
121b5b26924115
13a724449bb21
14505a1b3a849
1527c9208bd4b
hex152b410c9a1

1454719945121 has 2 divisors, whose sum is σ = 1454719945122. Its totient is φ = 1454719945120.

The previous prime is 1454719945099. The next prime is 1454719945169. The reversal of 1454719945121 is 1215499174541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1432962220096 + 21757725025 = 1197064^2 + 147505^2 .

It is an emirp because it is prime and its reverse (1215499174541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1454719945121 - 226 = 1454652836257 is a prime.

It is not a weakly prime, because it can be changed into another prime (1454719945171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727359972560 + 727359972561.

It is an arithmetic number, because the mean of its divisors is an integer number (727359972561).

Almost surely, 21454719945121 is an apocalyptic number.

It is an amenable number.

1454719945121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1454719945121 is an equidigital number, since it uses as much as digits as its factorization.

1454719945121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1814400, while the sum is 53.

The spelling of 1454719945121 in words is "one trillion, four hundred fifty-four billion, seven hundred nineteen million, nine hundred forty-five thousand, one hundred twenty-one".