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107123432136 = 233731710311951
BaseRepresentation
bin110001111000100001…
…1011101101011001000
3101020111121122012002120
41203301003131223020
53223342044312021
6121113430531240
710511422102140
oct1436103355310
9336447565076
10107123432136
11414814260a6
1218917506b20
13a142571846
14528314b920
152bbe7d62c6
hex18f10ddac8

107123432136 has 128 divisors (see below), whose sum is σ = 307487784960. Its totient is φ = 30464928000.

The previous prime is 107123432111. The next prime is 107123432159. The reversal of 107123432136 is 631234321701.

It is a happy number.

It is a super-2 number, since 2×1071234321362 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 107123432097 and 107123432106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54905961 + ... + 54907911.

It is an arithmetic number, because the mean of its divisors is an integer number (2402248320).

Almost surely, 2107123432136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 107123432136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153743892480).

107123432136 is an abundant number, since it is smaller than the sum of its proper divisors (200364352824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

107123432136 is a wasteful number, since it uses less digits than its factorization.

107123432136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3315 (or 3311 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

Adding to 107123432136 its reverse (631234321701), we get a palindrome (738357753837).

The spelling of 107123432136 in words is "one hundred seven billion, one hundred twenty-three million, four hundred thirty-two thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 317 634 951 1031 1268 1902 1951 2062 2219 2536 3093 3804 3902 4124 4438 5853 6186 6657 7217 7608 7804 8248 8876 11706 12372 13314 13657 14434 15608 17752 21651 23412 24744 26628 27314 28868 40971 43302 46824 53256 54628 57736 81942 86604 109256 163884 173208 326827 327768 618467 653654 980481 1236934 1307308 1855401 1960962 2011481 2287789 2473868 2614616 3710802 3921924 4022962 4329269 4575578 4947736 6034443 6863367 7421604 7843848 8045924 8658538 9151156 12068886 12987807 13726734 14080367 14843208 16091848 17317076 18302312 24137772 25975614 27453468 28160734 34634152 42241101 48275544 51951228 54906936 56321468 84482202 103902456 112642936 168964404 337928808 637639477 1275278954 1912918431 2550557908 3825836862 4463476339 5101115816 7651673724 8926952678 13390429017 15303347448 17853905356 26780858034 35707810712 53561716068 107123432136