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9713998450 = 2521389167917
BaseRepresentation
bin10010000101111111…
…11101101001110010
3221001222121020202101
421002333331221302
5124343240422300
64243524411014
7462502424122
oct110277755162
927058536671
109713998450
1141353318a2
121a71246a6a
13bba6811a0
14682194c82
153bcc16b6a
hex242ffda72

9713998450 has 48 divisors (see below), whose sum is σ = 19676631240. Its totient is φ = 3546385920.

The previous prime is 9713998447. The next prime is 9713998453. The reversal of 9713998450 is 548993179.

It is an interprime number because it is at equal distance from previous prime (9713998447) and next prime (9713998453).

It can be written as a sum of positive squares in 12 ways, for example, as 235223569 + 9478774881 = 15337^2 + 97359^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9713998391 and 9713998400.

It is not an unprimeable number, because it can be changed into a prime (9713998453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26109 + ... + 141808.

Almost surely, 29713998450 is an apocalyptic number.

9713998450 is an abundant number, since it is smaller than the sum of its proper divisors (9962632790).

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

9713998450 is a wasteful number, since it uses less digits than its factorization.

9713998450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168031 (or 168026 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 55.

The square root of 9713998450 is about 98559.6187594088. The cubic root of 9713998450 is about 2133.6966561917.

The spelling of 9713998450 in words is "nine billion, seven hundred thirteen million, nine hundred ninety-eight thousand, four hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 89 130 178 325 445 650 890 1157 2225 2314 4450 5785 11570 28925 57850 167917 335834 839585 1679170 2182921 4197925 4365842 8395850 10914605 14944613 21829210 29889226 54573025 74723065 109146050 149446130 194279969 373615325 388559938 747230650 971399845 1942799690 4856999225 9713998450