Search a number
-
+
1055505555007 = 4131183998663
BaseRepresentation
bin11110101110000010000…
…10001001111000111111
310201220102222220202202121
433113001002021320333
5114243133410230012
62124520443103411
7136154261120401
oct17270102117077
93656388822677
101055505555007
11377701406a02
12150692811b67
13786c2845807
1439130038b71
151c6c9626a07
hexf5c1089e3f

1055505555007 has 16 divisors (see below), whose sum is σ = 1086030167040. Its totient is φ = 1025216574400.

The previous prime is 1055505554981. The next prime is 1055505555011. The reversal of 1055505555007 is 7005555055501.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1055505555007 is a prime.

It is a super-2 number, since 2×10555055550072 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055505555017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10648758 + ... + 10747420.

It is an arithmetic number, because the mean of its divisors is an integer number (67876885440).

Almost surely, 21055505555007 is an apocalyptic number.

1055505555007 is a deficient number, since it is larger than the sum of its proper divisors (30524612033).

1055505555007 is an equidigital number, since it uses as much as digits as its factorization.

1055505555007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99854.

The product of its (nonzero) digits is 546875, while the sum is 43.

The spelling of 1055505555007 in words is "one trillion, fifty-five billion, five hundred five million, five hundred fifty-five thousand, seven".

Divisors: 1 41 311 839 12751 34399 98663 260929 4045183 10698089 30684193 82778257 1258051913 3393908537 25744037927 1055505555007