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4072724321 = 21130762873
BaseRepresentation
bin1111001011000000…
…1101011101100001
3101111211112211110112
43302300031131201
531320104134241
61512044341105
7202632404561
oct36260153541
911454484415
104072724321
1117aaa46076
12957b44795
134cba05263
142a8c84da1
1518c83d1eb
hexf2c0d761

4072724321 has 8 divisors (see below), whose sum is σ = 4105420704. Its totient is φ = 4040154720.

The previous prime is 4072724263. The next prime is 4072724329. The reversal of 4072724321 is 1234272704.

4072724321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4072724321 - 222 = 4068530017 is a prime.

It is a super-2 number, since 2×40727243212 = 33174166789729822082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4072724329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33341 + ... + 96213.

It is an arithmetic number, because the mean of its divisors is an integer number (513177588).

Almost surely, 24072724321 is an apocalyptic number.

It is an amenable number.

4072724321 is a deficient number, since it is larger than the sum of its proper divisors (32696383).

4072724321 is a wasteful number, since it uses less digits than its factorization.

4072724321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63391.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 4072724321 is about 63817.8996912308. The cubic root of 4072724321 is about 1596.9635537720.

The spelling of 4072724321 in words is "four billion, seventy-two million, seven hundred twenty-four thousand, three hundred twenty-one".

Divisors: 1 211 307 62873 64777 13266203 19302011 4072724321