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11230231032 = 23321271228153
BaseRepresentation
bin10100111010101111…
…11011100111111000
31001222122122211211200
422131113323213320
5140444414343112
65054210454200
7545203250226
oct123527734770
931878584750
1011230231032
114843199879
122214b94360
13109c837b27
147876c1b16
1545adbacdc
hex29d5fb9f8

11230231032 has 48 divisors (see below), whose sum is σ = 30654723840. Its totient is φ = 3713931648.

The previous prime is 11230230997. The next prime is 11230231043. The reversal of 11230231032 is 23013203211.

It is a super-2 number, since 2×112302310322 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11230230996 and 11230231014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 604933 + ... + 623220.

It is an arithmetic number, because the mean of its divisors is an integer number (638640080).

Almost surely, 211230231032 is an apocalyptic number.

11230231032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11230231032 is an abundant number, since it is smaller than the sum of its proper divisors (19424492808).

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

11230231032 is a wasteful number, since it uses less digits than its factorization.

11230231032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228292 (or 1228285 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11230231032 its reverse (23013203211), we get a palindrome (34243434243).

The spelling of 11230231032 in words is "eleven billion, two hundred thirty million, two hundred thirty-one thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 127 254 381 508 762 1016 1143 1524 2286 3048 4572 9144 1228153 2456306 3684459 4912612 7368918 9825224 11053377 14737836 22106754 29475672 44213508 88427016 155975431 311950862 467926293 623901724 935852586 1247803448 1403778879 1871705172 2807557758 3743410344 5615115516 11230231032