Search a number
-
+
9700042752 = 21132641821
BaseRepresentation
bin10010000100010101…
…01110100000000000
3221001000100020010200
421002022232200000
5124331202332002
64242305325200
7462243001011
oct110212564000
927030306120
109700042752
11412846a764
121a68636800
13bb7805c8a
146803a1008
153bb8abb1c
hex2422ae800

9700042752 has 144 divisors (see below), whose sum is σ = 28093387140. Its totient is φ = 3224371200.

The previous prime is 9700042739. The next prime is 9700042753. The reversal of 9700042752 is 2572400079.

It can be written as a sum of positive squares in 2 ways, for example, as 9569534976 + 130507776 = 97824^2 + 11424^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (9700042753) 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, 11814502 + ... + 11815322.

Almost surely, 29700042752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9700042752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14046693570).

9700042752 is an abundant number, since it is smaller than the sum of its proper divisors (18393344388).

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

9700042752 is a wasteful number, since it uses less digits than its factorization.

9700042752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490 (or 1467 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 9700042752 is about 98488.7950581182. The cubic root of 9700042752 is about 2132.6743686958.

The spelling of 9700042752 in words is "nine billion, seven hundred million, forty-two thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 512 576 641 768 821 1024 1152 1282 1536 1642 1923 2048 2304 2463 2564 3072 3284 3846 4608 4926 5128 5769 6144 6568 7389 7692 9216 9852 10256 11538 13136 14778 15384 18432 19704 20512 23076 26272 29556 30768 39408 41024 46152 52544 59112 61536 78816 82048 92304 105088 118224 123072 157632 164096 184608 210176 236448 246144 315264 328192 369216 420352 472896 492288 526261 630528 656384 738432 840704 945792 984576 1052522 1261056 1312768 1476864 1578783 1681408 1891584 1969152 2105044 2522112 2953728 3157566 3783168 3938304 4210088 4736349 5044224 5907456 6315132 7566336 8420176 9472698 11814912 12630264 15132672 16840352 18945396 25260528 33680704 37890792 50521056 67361408 75781584 101042112 134722816 151563168 202084224 269445632 303126336 404168448 538891264 606252672 808336896 1077782528 1212505344 1616673792 2425010688 3233347584 4850021376 9700042752