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1010915940 = 223516848599
BaseRepresentation
bin111100010000010…
…101101001100100
32121110012211222010
4330100111221210
54032243302230
6244151234220
734023433536
oct7420255144
92543184863
101010915940
114796aa121
12242678970
1313158c918
149838d856
155db3a9b0
hex3c415a64

1010915940 has 24 divisors (see below), whose sum is σ = 2830564800. Its totient is φ = 269577568.

The previous prime is 1010915933. The next prime is 1010915947. The reversal of 1010915940 is 495190101.

It is an interprime number because it is at equal distance from previous prime (1010915933) and next prime (1010915947).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1010915898 and 1010915907.

It is not an unprimeable number, because it can be changed into a prime (1010915947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8424240 + ... + 8424359.

It is an arithmetic number, because the mean of its divisors is an integer number (117940200).

Almost surely, 21010915940 is an apocalyptic number.

1010915940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010915940 is an abundant number, since it is smaller than the sum of its proper divisors (1819648860).

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

1010915940 is a wasteful number, since it uses less digits than its factorization.

1010915940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16848611 (or 16848609 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 30.

The square root of 1010915940 is about 31794.9043087096. The cubic root of 1010915940 is about 1003.6254866287.

The spelling of 1010915940 in words is "one billion, ten million, nine hundred fifteen thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 16848599 33697198 50545797 67394396 84242995 101091594 168485990 202183188 252728985 336971980 505457970 1010915940