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30305555621044 = 2211271881898371
BaseRepresentation
bin1101110010000000011111…
…11000001010010010110100
310222022011221021111120120121
412321000033320022102310
512433011234214333134
6144242102520341324
76245334630331504
oct671001770122264
9128264837446517
1030305555621044
1197245720a1700
123495505314844
1313baa56257592
1476ab222a3a04
153784b5092ab4
hex1b900fe0a4b4

30305555621044 has 36 divisors (see below), whose sum is σ = 59115411671904. Its totient is φ = 13581234898000.

The previous prime is 30305555621039. The next prime is 30305555621059. The reversal of 30305555621044 is 44012655550303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 440914822 + ... + 440983549.

It is an arithmetic number, because the mean of its divisors is an integer number (1642094768664).

Almost surely, 230305555621044 is an apocalyptic number.

It is an amenable number.

30305555621044 is a deficient number, since it is larger than the sum of its proper divisors (28809856050860).

30305555621044 is a wasteful number, since it uses less digits than its factorization.

30305555621044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881898468 (or 881898455 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 43.

The spelling of 30305555621044 in words is "thirty trillion, three hundred five billion, five hundred fifty-five million, six hundred twenty-one thousand, forty-four".

Divisors: 1 2 4 11 22 44 71 121 142 242 284 484 781 1562 3124 8591 17182 34364 881898371 1763796742 3527593484 9700882081 19401764162 38803528324 62614784341 106709702891 125229568682 213419405782 250459137364 426838811564 688762627751 1377525255502 2755050511004 7576388905261 15152777810522 30305555621044