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381198928033 = 71111385351361
BaseRepresentation
bin1011000110000010011…
…10100000100010100001
31100102221102000221211001
411203001032200202201
522221143411144113
6451041555552001
736353315266060
oct5430116404241
91312842027731
10381198928033
111377359477a0
1261a668bb601
1329c40470ca1
141464320c1d7
159db10557dd
hex58c13a08a1

381198928033 has 32 divisors (see below), whose sum is σ = 480038291712. Its totient is φ = 294058598400.

The previous prime is 381198928031. The next prime is 381198928039. The reversal of 381198928033 is 330829891183.

It is not a de Polignac number, because 381198928033 - 21 = 381198928031 is a prime.

It is not an unprimeable number, because it can be changed into a prime (381198928031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7396273 + ... + 7447633.

It is an arithmetic number, because the mean of its divisors is an integer number (15001196616).

Almost surely, 2381198928033 is an apocalyptic number.

It is an amenable number.

381198928033 is a deficient number, since it is larger than the sum of its proper divisors (98839363679).

381198928033 is a wasteful number, since it uses less digits than its factorization.

381198928033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52345.

The product of its (nonzero) digits is 2239488, while the sum is 55.

The spelling of 381198928033 in words is "three hundred eighty-one billion, one hundred ninety-eight million, nine hundred twenty-eight thousand, thirty-three".

Divisors: 1 7 11 77 113 791 853 1243 5971 8701 9383 51361 65681 96389 359527 564971 674723 1060279 3954797 5803793 7421953 40626551 43810933 63841723 306676531 446892061 481920263 3373441841 4950635429 34654448003 54456989719 381198928033