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30105666055444 = 2278822471218709
BaseRepresentation
bin1101101100001100001011…
…00001111110110100010100
310221121001222122000112121011
412312012011201332310110
512421222401002233234
6144010204013302004
76225030320135620
oct666060541766424
9127531878015534
1030105666055444
1196578176a9501
12346281a794904
1313a4c4ba93405
1476119cb2c180
153731b6684b64
hex1b618587ed14

30105666055444 has 24 divisors (see below), whose sum is σ = 60211449764480. Its totient is φ = 12902403098016.

The previous prime is 30105666055331. The next prime is 30105666055469. The reversal of 30105666055444 is 44455066650103.

It is a super-2 number, since 2×301056660554442 (a number of 28 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, 24093562 + ... + 25312270.

Almost surely, 230105666055444 is an apocalyptic number.

It is an amenable number.

30105666055444 is an abundant number, since it is smaller than the sum of its proper divisors (30105783709036).

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

30105666055444 is a wasteful number, since it uses less digits than its factorization.

30105666055444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100967 (or 2100965 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 49.

The spelling of 30105666055444 in words is "thirty trillion, one hundred five billion, six hundred sixty-six million, fifty-five thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 882247 1218709 1764494 2437418 3528988 4874836 6175729 8530963 12351458 17061926 24702916 34123852 1075202359123 2150404718246 4300809436492 7526416513861 15052833027722 30105666055444