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111203012140 = 225113116305427
BaseRepresentation
bin110011110010000110…
…1110100111000101100
3101122000221002022210021
41213210031310320230
53310220432342030
6123030322251524
711014500002323
oct1474415647054
9348027068707
10111203012140
1143185223a20
12196757b6ba4
13a6428073cc
14554cc990ba
152d5ca2a97a
hex19e4374e2c

111203012140 has 48 divisors (see below), whose sum is σ = 262973942784. Its totient is φ = 39133022400.

The previous prime is 111203012131. The next prime is 111203012161. The reversal of 111203012140 is 41210302111.

It is a super-2 number, since 2×1112030121402 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8145894 + ... + 8159533.

It is an arithmetic number, because the mean of its divisors is an integer number (5478623808).

Almost surely, 2111203012140 is an apocalyptic number.

111203012140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111203012140 is an abundant number, since it is smaller than the sum of its proper divisors (151770930644).

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

111203012140 is a wasteful number, since it uses less digits than its factorization.

111203012140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16305478 (or 16305476 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 111203012140 its reverse (41210302111), we get a palindrome (152413314251).

The spelling of 111203012140 in words is "one hundred eleven billion, two hundred three million, twelve thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 31 44 55 62 110 124 155 220 310 341 620 682 1364 1705 3410 6820 16305427 32610854 65221708 81527135 163054270 179359697 326108540 358719394 505468237 717438788 896798485 1010936474 1793596970 2021872948 2527341185 3587193940 5054682370 5560150607 10109364740 11120301214 22240602428 27800753035 55601506070 111203012140