Search a number
-
+
106748456557 is a prime number
BaseRepresentation
bin110001101101010110…
…1000010111001101101
3101012112111001110022011
41203122231002321231
53222110101102212
6121012313521221
710466216623651
oct1433255027155
9335474043264
10106748456557
11412a97a2426
1218831a13211
13a0b29825c2
14524941ca61
152b9b9174a7
hex18dab42e6d

106748456557 has 2 divisors, whose sum is σ = 106748456558. Its totient is φ = 106748456556.

The previous prime is 106748456533. The next prime is 106748456587. The reversal of 106748456557 is 755654847601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80720764996 + 26027691561 = 284114^2 + 161331^2 .

It is a cyclic number.

It is not a de Polignac number, because 106748456557 - 231 = 104600972909 is a prime.

It is a super-2 number, since 2×1067484565572 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106748456527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53374228278 + 53374228279.

It is an arithmetic number, because the mean of its divisors is an integer number (53374228279).

Almost surely, 2106748456557 is an apocalyptic number.

It is an amenable number.

106748456557 is a deficient number, since it is larger than the sum of its proper divisors (1).

106748456557 is an equidigital number, since it uses as much as digits as its factorization.

106748456557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224000, while the sum is 58.

The spelling of 106748456557 in words is "one hundred six billion, seven hundred forty-eight million, four hundred fifty-six thousand, five hundred fifty-seven".