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30021793360685 = 574411919442089
BaseRepresentation
bin1101101001101111111100…
…10101000010101100101101
310221022001111101202012002222
412310313332111002230231
512413334113100020220
6143503453234325125
76216001012036010
oct664677625025455
9127261441665088
1030021793360685
11962519775a545
12344a511a297a5
13139a073520c49
1475b0c38db377
15370e081dae25
hex1b4dfe542b2d

30021793360685 has 16 divisors (see below), whose sum is σ = 41173680518400. Its totient is φ = 20585904921216.

The previous prime is 30021793360571. The next prime is 30021793360703. The reversal of 30021793360685 is 58606339712003.

It is a cyclic number.

It is not a de Polignac number, because 30021793360685 - 212 = 30021793356589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8176880 + ... + 11265209.

It is an arithmetic number, because the mean of its divisors is an integer number (2573355032400).

Almost surely, 230021793360685 is an apocalyptic number.

30021793360685 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30021793360685 is a deficient number, since it is larger than the sum of its proper divisors (11151887157715).

30021793360685 is a wasteful number, since it uses less digits than its factorization.

30021793360685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19486220.

The product of its (nonzero) digits is 4898880, while the sum is 53.

The spelling of 30021793360685 in words is "thirty trillion, twenty-one billion, seven hundred ninety-three million, three hundred sixty thousand, six hundred eighty-five".

Divisors: 1 5 7 35 44119 220595 308833 1544165 19442089 97210445 136094623 680473115 857765524591 4288827622955 6004358672137 30021793360685