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112981126932 = 22323138364637
BaseRepresentation
bin110100100111000110…
…0110010111100010100
3101210121211220220201200
41221032030302330110
53322341132030212
6123523001352500
711106530506422
oct1511614627424
9353554826650
10112981126932
1143a0799a983
1219a91198730
13a867003c3b
14567b0b6112
152e13bae6dc
hex1a4e332f14

112981126932 has 18 divisors (see below), whose sum is σ = 285591182058. Its totient is φ = 37660375632.

The previous prime is 112981126903. The next prime is 112981126933. The reversal of 112981126932 is 239621189211.

It can be written as a sum of positive squares in only one way, i.e., 112920193296 + 60933636 = 336036^2 + 7806^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112981126933) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1569182283 + ... + 1569182354.

It is an arithmetic number, because the mean of its divisors is an integer number (15866176781).

Almost surely, 2112981126932 is an apocalyptic number.

112981126932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112981126932 is an abundant number, since it is smaller than the sum of its proper divisors (172610055126).

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

112981126932 is a wasteful number, since it uses less digits than its factorization.

112981126932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138364647 (or 3138364642 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The spelling of 112981126932 in words is "one hundred twelve billion, nine hundred eighty-one million, one hundred twenty-six thousand, nine hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 3138364637 6276729274 9415093911 12553458548 18830187822 28245281733 37660375644 56490563466 112981126932