Search a number
-
+
112121020111002 = 23721971935857939
BaseRepresentation
bin11001011111100100110101…
…100100110101100010011010
3112200222122221200002020210120
4121133210311210311202122
5104143442322122023002
61034243404025454110
732421322254141600
oct3137446544654232
9480878850066716
10112121020111002
11327a8291955641
12106a997a941336
134a73c7517bb66
141d989873db870
15ce67d1eeacbc
hex65f93593589a

112121020111002 has 48 divisors (see below), whose sum is σ = 262177112530080. Its totient is φ = 31871965091232.

The previous prime is 112121020110949. The next prime is 112121020111013. The reversal of 112121020111002 is 200111020121211.

It is a happy number.

It is a super-2 number, since 2×1121210201110022 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 967871052 + ... + 967986887.

It is an arithmetic number, because the mean of its divisors is an integer number (5462023177710).

Almost surely, 2112121020111002 is an apocalyptic number.

112121020111002 is an abundant number, since it is smaller than the sum of its proper divisors (150056092419078).

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

112121020111002 is a wasteful number, since it uses less digits than its factorization.

112121020111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935858155 (or 1935858148 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 112121020111002 its reverse (200111020121211), we get a palindrome (312232040232213).

The spelling of 112121020111002 in words is "one hundred twelve trillion, one hundred twenty-one billion, twenty million, one hundred eleven thousand, two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 197 294 394 591 1182 1379 2758 4137 8274 9653 19306 28959 57918 1935857939 3871715878 5807573817 11615147634 13551005573 27102011146 40653016719 81306033438 94857039011 189714078022 284571117033 381364013983 569142234066 762728027966 1144092041949 2288184083898 2669548097881 5339096195762 8008644293643 16017288587286 18686836685167 37373673370334 56060510055501 112121020111002