Search a number
-
+
101554053409 is a prime number
BaseRepresentation
bin101111010010100010…
…1111110000100100001
3100201010110212102202101
41132211011332010201
53130440314202114
6114353035450401
710223414132314
oct1364505760441
9321113772671
10101554053409
113a083685466
12178222b6a01
139765779083
144cb55d497b
1529958aed74
hex17a517e121

101554053409 has 2 divisors, whose sum is σ = 101554053410. Its totient is φ = 101554053408.

The previous prime is 101554053389. The next prime is 101554053457. The reversal of 101554053409 is 904350455101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73141579809 + 28412473600 = 270447^2 + 168560^2 .

It is a cyclic number.

It is not a de Polignac number, because 101554053409 - 227 = 101419835681 is a prime.

It is not a weakly prime, because it can be changed into another prime (101554051409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50777026704 + 50777026705.

It is an arithmetic number, because the mean of its divisors is an integer number (50777026705).

Almost surely, 2101554053409 is an apocalyptic number.

It is an amenable number.

101554053409 is a deficient number, since it is larger than the sum of its proper divisors (1).

101554053409 is an equidigital number, since it uses as much as digits as its factorization.

101554053409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 101554053409 in words is "one hundred one billion, five hundred fifty-four million, fifty-three thousand, four hundred nine".