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5221142031 = 372196727901
BaseRepresentation
bin1001101110011010…
…00100111000001111
3111110212111111101210
410313031010320033
541143103021111
62222031105503
7243245655300
oct46715047017
914425444353
105221142031
11223a220316
121018672293
13652909071
143775c87a7
1520858a0a6
hex137344e0f

5221142031 has 48 divisors (see below), whose sum is σ = 8651852160. Its totient is φ = 2784196800.

The previous prime is 5221142027. The next prime is 5221142041. The reversal of 5221142031 is 1302411225.

It is not a de Polignac number, because 5221142031 - 22 = 5221142027 is a prime.

It is a super-2 number, since 2×52211420312 = 54520648215749609922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 5221141989 and 5221142007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221142041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 173181 + ... + 201081.

It is an arithmetic number, because the mean of its divisors is an integer number (180246920).

Almost surely, 25221142031 is an apocalyptic number.

5221142031 is a deficient number, since it is larger than the sum of its proper divisors (3430710129).

5221142031 is a wasteful number, since it uses less digits than its factorization.

5221142031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28004 (or 27997 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 5221142031 is about 72257.4704165597. The cubic root of 5221142031 is about 1734.8229914068.

Adding to 5221142031 its reverse (1302411225), we get a palindrome (6523553256).

The spelling of 5221142031 in words is "five billion, two hundred twenty-one million, one hundred forty-two thousand, thirty-one".

Divisors: 1 3 7 19 21 49 57 67 133 147 201 399 469 931 1273 1407 2793 3283 3819 8911 9849 26733 27901 62377 83703 187131 195307 530119 585921 1367149 1590357 1869367 3710833 4101447 5608101 11132499 13085569 25975831 35517973 39256707 77927493 91598983 106553919 248625811 274796949 745877433 1740380677 5221142031