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5072009868 = 2232294858247
BaseRepresentation
bin1001011100101000…
…01011101010001100
3111002110212210112100
410232110023222030
540341413303433
62155142435100
7236455241532
oct45624135214
914073783470
105072009868
1121730210a2
12b96732a90
1362aa52193
14361888152
151ea42cb13
hex12e50ba8c

5072009868 has 36 divisors (see below), whose sum is σ = 13263017040. Its totient is φ = 1632370656.

The previous prime is 5072009867. The next prime is 5072009927. The reversal of 5072009868 is 8689002705.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (5072009861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2428080 + ... + 2430167.

It is an arithmetic number, because the mean of its divisors is an integer number (368417140).

Almost surely, 25072009868 is an apocalyptic number.

5072009868 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

5072009868 is an abundant number, since it is smaller than the sum of its proper divisors (8191007172).

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

5072009868 is a wasteful number, since it uses less digits than its factorization.

5072009868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4858286 (or 4858281 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 5072009868 is about 71218.0445392879. The cubic root of 5072009868 is about 1718.1458598276.

The spelling of 5072009868 in words is "five billion, seventy-two million, nine thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 29 36 58 87 116 174 261 348 522 1044 4858247 9716494 14574741 19432988 29149482 43724223 58298964 87448446 140889163 174896892 281778326 422667489 563556652 845334978 1268002467 1690669956 2536004934 5072009868