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111231003040 = 2552132332603
BaseRepresentation
bin110011110010111100…
…0100110100110100000
3101122002212202102002021
41213211320212212200
53310300114044130
6123033202231224
711015256632413
oct1474570464640
9348085672067
10111231003040
114319a0019a3
1219683055514
13a648557a81
1455528a3b7a
152d6020937a
hex19e5e269a0

111231003040 has 48 divisors (see below), whose sum is σ = 262803629088. Its totient is φ = 44488950016.

The previous prime is 111231002999. The next prime is 111231003049. The reversal of 111231003040 is 40300132111.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (111231003049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3395379 + ... + 3427981.

It is an arithmetic number, because the mean of its divisors is an integer number (5475075606).

Almost surely, 2111231003040 is an apocalyptic number.

111231003040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111231003040 is an abundant number, since it is smaller than the sum of its proper divisors (151572626048).

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

111231003040 is a wasteful number, since it uses less digits than its factorization.

111231003040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53941 (or 53933 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 111231003040 its reverse (40300132111), we get a palindrome (151531135151).

The spelling of 111231003040 in words is "one hundred eleven billion, two hundred thirty-one million, three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 21323 32603 42646 65206 85292 106615 130412 163015 170584 213230 260824 326030 341168 426460 521648 652060 682336 852920 1043296 1304120 1705840 2608240 3411680 5216480 695193769 1390387538 2780775076 3475968845 5561550152 6951937690 11123100304 13903875380 22246200608 27807750760 55615501520 111231003040