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9712194940 = 225729910403
BaseRepresentation
bin10010000101110010…
…00101010101111100
3221001212012121210201
421002321011111330
5124342310214230
64243422013244
7462451203100
oct110271052574
927055177721
109712194940
11413430a898
121a70717224
13bba19c316
14681c45900
153bc9ac5ca
hex242e4557c

9712194940 has 36 divisors (see below), whose sum is σ = 23725507176. Its totient is φ = 3329895072.

The previous prime is 9712194931. The next prime is 9712194949. The reversal of 9712194940 is 494912179.

It is an interprime number because it is at equal distance from previous prime (9712194931) and next prime (9712194949).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9712194949) 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, 4954222 + ... + 4956181.

It is an arithmetic number, because the mean of its divisors is an integer number (659041866).

Almost surely, 29712194940 is an apocalyptic number.

It is an amenable number.

9712194940 is an abundant number, since it is smaller than the sum of its proper divisors (14013312236).

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

9712194940 is a wasteful number, since it uses less digits than its factorization.

9712194940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9910426 (or 9910417 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 9712194940 is about 98550.4689993914. The cubic root of 9712194940 is about 2133.5645999826.

The spelling of 9712194940 in words is "nine billion, seven hundred twelve million, one hundred ninety-four thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 9910403 19820806 39641612 49552015 69372821 99104030 138745642 198208060 277491284 346864105 485609747 693728210 971219494 1387456420 1942438988 2428048735 4856097470 9712194940