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515469240038 = 21913564980001
BaseRepresentation
bin1111000000001000101…
…11000110011011100110
31211021111221022112020202
413200010113012123212
531421140111140123
61032445302430502
752145544150464
oct7400427063346
91737457275222
10515469240038
11189677a474a5
1283a99732432
13397bac6c04c
141ad3d8b3834
15d61dc36a28
hex78045c66e6

515469240038 has 8 divisors (see below), whose sum is σ = 813898800120. Its totient is φ = 244169640000.

The previous prime is 515469240037. The next prime is 515469240109. The reversal of 515469240038 is 830042964515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 515469239974 and 515469240001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515469240037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6782489963 + ... + 6782490038.

It is an arithmetic number, because the mean of its divisors is an integer number (101737350015).

Almost surely, 2515469240038 is an apocalyptic number.

515469240038 is a deficient number, since it is larger than the sum of its proper divisors (298429560082).

515469240038 is a wasteful number, since it uses less digits than its factorization.

515469240038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13564980022.

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 515469240038 in words is "five hundred fifteen billion, four hundred sixty-nine million, two hundred forty thousand, thirty-eight".

Divisors: 1 2 19 38 13564980001 27129960002 257734620019 515469240038