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8302872053 = 71321897899
BaseRepresentation
bin1111011101110001…
…11100010111110101
3210102122022121020202
413232320330113311
5114001013401203
63451515210245
7412516151030
oct75670742765
923378277222
108302872053
113580833733
121738746985
13a24208258
1458a9c8017
15338dc5388
hex1eee3c5f5

8302872053 has 8 divisors (see below), whose sum is σ = 9496190400. Its totient is φ = 7111352160.

The previous prime is 8302872031. The next prime is 8302872059. The reversal of 8302872053 is 3502782038.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8302872053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8302871998 and 8302872016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8302872059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439703 + ... + 458196.

It is an arithmetic number, because the mean of its divisors is an integer number (1187023800).

Almost surely, 28302872053 is an apocalyptic number.

It is an amenable number.

8302872053 is a deficient number, since it is larger than the sum of its proper divisors (1193318347).

8302872053 is a wasteful number, since it uses less digits than its factorization.

8302872053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899227.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 8302872053 is about 91120.0968667176. The cubic root of 8302872053 is about 2024.9273603370.

The spelling of 8302872053 in words is "eight billion, three hundred two million, eight hundred seventy-two thousand, fifty-three".

Divisors: 1 7 1321 9247 897899 6285293 1186124579 8302872053