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1155115030 = 25115511503
BaseRepresentation
bin100010011011001…
…1010100000010110
32222111112220221011
41010312122200112
54331202140110
6310342042434
740424213206
oct10466324026
92874486834
101155115030
1154303a023
12282a1941a
1315540a324
14ad5a8406
156b62148a
hex44d9a816

1155115030 has 8 divisors (see below), whose sum is σ = 2079207072. Its totient is φ = 462046008.

The previous prime is 1155115021. The next prime is 1155115043. The reversal of 1155115030 is 305115511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1155114992 and 1155115010.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 57755742 + ... + 57755761.

It is an arithmetic number, because the mean of its divisors is an integer number (259900884).

Almost surely, 21155115030 is an apocalyptic number.

1155115030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1155115030 is a deficient number, since it is larger than the sum of its proper divisors (924092042).

1155115030 is a wasteful number, since it uses less digits than its factorization.

1155115030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115511510.

The product of its (nonzero) digits is 375, while the sum is 22.

The square root of 1155115030 is about 33986.9832435890. The cubic root of 1155115030 is about 1049.2405786145.

The spelling of 1155115030 in words is "one billion, one hundred fifty-five million, one hundred fifteen thousand, thirty".

Divisors: 1 2 5 10 115511503 231023006 577557515 1155115030