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103242040111 = 7174371284173
BaseRepresentation
bin110000000100110110…
…1001000001100101111
3100212111010010001012101
41200021231020030233
53142414430240421
6115232335115531
710313301601330
oct1401155101457
9325433101171
10103242040111
113a86a4928a1
1218013672ba7
1399743aa582
144dd5870287
152a43b8e191
hex1809b4832f

103242040111 has 32 divisors (see below), whose sum is σ = 129637905408. Its totient is φ = 80204705280.

The previous prime is 103242040081. The next prime is 103242040123. The reversal of 103242040111 is 111040242301.

It is a de Polignac number, because none of the positive numbers 2k-103242040111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103243040111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 221221 + ... + 505393.

It is an arithmetic number, because the mean of its divisors is an integer number (4051184544).

Almost surely, 2103242040111 is an apocalyptic number.

103242040111 is a deficient number, since it is larger than the sum of its proper divisors (26395865297).

103242040111 is a wasteful number, since it uses less digits than its factorization.

103242040111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284311.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 103242040111 its reverse (111040242301), we get a palindrome (214282282412).

The spelling of 103242040111 in words is "one hundred three billion, two hundred forty-two million, forty thousand, one hundred eleven".

Divisors: 1 7 17 43 71 119 301 497 731 1207 3053 5117 8449 21371 51901 284173 363307 1989211 4830941 12219439 20176283 33816587 85536073 141233981 207730463 342996811 867580169 1454113241 2400977677 6073061183 14748862873 103242040111