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7315109985316 = 22721931892
BaseRepresentation
bin110101001110010111010…
…0010000011110000100100
3221220022120120222210022011
41222130232202003300210
51424322321124012231
623320303134044004
71353333146643100
oct152345642036044
927808516883264
107315109985316
112370358978211
129a1873649604
13410a72a01a43
141b40a602c900
15ca43969a9b1
hex6a72e883c24

7315109985316 has 27 divisors (see below), whose sum is σ = 14891550981489. Its totient is φ = 3135030908688.

The previous prime is 7315109985311. The next prime is 7315109985317. The reversal of 7315109985316 is 6135899015137.

The square root of 7315109985316 is 2704646.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 781360530916 + 6533749454400 = 883946^2 + 2556120^2 .

It is not an unprimeable number, because it can be changed into a prime (7315109985311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 37768450 + ... + 37961638.

Almost surely, 27315109985316 is an apocalyptic number.

7315109985316 is the 2704646-th square number.

It is an amenable number.

7315109985316 is an abundant number, since it is smaller than the sum of its proper divisors (7576440996173).

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

7315109985316 is an frugal number, since it uses more digits than its factorization.

7315109985316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386396 (or 193198 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 58.

The spelling of 7315109985316 in words is "seven trillion, three hundred fifteen billion, one hundred nine million, nine hundred eighty-five thousand, three hundred sixteen".

Divisors: 1 2 4 7 14 28 49 98 196 193189 386378 772756 1352323 2704646 5409292 9466261 18932522 37865044 37321989721 74643979442 149287958884 261253928047 522507856094 1045015712188 1828777496329 3657554992658 7315109985316