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30136542790 = 254493967061
BaseRepresentation
bin11100000100010001…
…110010011001000110
32212210021012222212111
4130010101302121012
5443204423332130
621502230411234
72114545246534
oct340421623106
985707188774
1030136542790
1111865324712
125a10800b1a
132ac3761953
14165c62d154
15bb5aeb02a
hex704472646

30136542790 has 16 divisors (see below), whose sum is σ = 54247793040. Its totient is φ = 12054169120.

The previous prime is 30136542757. The next prime is 30136542803. The reversal of 30136542790 is 9724563103.

It is a happy number.

It is a super-2 number, since 2×301365427902 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415860 + ... + 482920.

It is an arithmetic number, because the mean of its divisors is an integer number (3390487065).

Almost surely, 230136542790 is an apocalyptic number.

30136542790 is a deficient number, since it is larger than the sum of its proper divisors (24111250250).

30136542790 is a wasteful number, since it uses less digits than its factorization.

30136542790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112007.

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 30136542790 in words is "thirty billion, one hundred thirty-six million, five hundred forty-two thousand, seven hundred ninety".

Divisors: 1 2 5 10 44939 67061 89878 134122 224695 335305 449390 670610 3013654279 6027308558 15068271395 30136542790