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7242199956 = 22357450823
BaseRepresentation
bin1101011111010101…
…10011001110010100
3200200201110212200000
412233222303032110
5104313000344311
63154345251300
7344316453405
oct65752631624
920621425600
107242199956
113087040022
1214a1493b30
138b5547224
144c9ba59ac
152c5c0c056
hex1afab3394

7242199956 has 36 divisors (see below), whose sum is σ = 18984699552. Its totient is φ = 2414066328.

The previous prime is 7242199927. The next prime is 7242199969. The reversal of 7242199956 is 6599912427.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3724440 + ... + 3726383.

Almost surely, 27242199956 is an apocalyptic number.

It is an amenable number.

7242199956 is an abundant number, since it is smaller than the sum of its proper divisors (11742499596).

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

7242199956 is a wasteful number, since it uses less digits than its factorization.

7242199956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7450842 (or 7450828 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 7242199956 is about 85101.1160678871. The cubic root of 7242199956 is about 1934.7439791072.

The spelling of 7242199956 in words is "seven billion, two hundred forty-two million, one hundred ninety-nine thousand, nine hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 486 972 7450823 14901646 22352469 29803292 44704938 67057407 89409876 134114814 201172221 268229628 402344442 603516663 804688884 1207033326 1810549989 2414066652 3621099978 7242199956