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8132785332 = 2237199486527
BaseRepresentation
bin1111001001100000…
…00111010010110100
3202222210021022010120
413210300013102310
5113123443112312
63423001451540
7405352351260
oct74460072264
922883238116
108132785332
1134a3821aa1
1216ab7a0bb0
139c7bc5619
145721910a0
15328ec928c
hex1e4c074b4

8132785332 has 48 divisors (see below), whose sum is σ = 21796454400. Its totient is φ = 2311971552.

The previous prime is 8132785313. The next prime is 8132785351. The reversal of 8132785332 is 2335872318.

It is an interprime number because it is at equal distance from previous prime (8132785313) and next prime (8132785351).

It is a super-2 number, since 2×81327853322 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226548 + ... + 259979.

It is an arithmetic number, because the mean of its divisors is an integer number (454092800).

Almost surely, 28132785332 is an apocalyptic number.

It is an amenable number.

8132785332 is an abundant number, since it is smaller than the sum of its proper divisors (13663669068).

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

8132785332 is a wasteful number, since it uses less digits than its factorization.

8132785332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486740 (or 486738 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 8132785332 is about 90181.9567984638. The cubic root of 8132785332 is about 2011.0047806732.

The spelling of 8132785332 in words is "eight billion, one hundred thirty-two million, seven hundred eighty-five thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 199 398 597 796 1194 1393 2388 2786 4179 5572 8358 16716 486527 973054 1459581 1946108 2919162 3405689 5838324 6811378 10217067 13622756 20434134 40868268 96818873 193637746 290456619 387275492 580913238 677732111 1161826476 1355464222 2033196333 2710928444 4066392666 8132785332