Search a number
-
+
9972631124 = 222493157781
BaseRepresentation
bin10010100100110101…
…00100011001010100
3221202000021011002022
421102122210121110
5130410443143444
64325324032312
7502062652211
oct112232443124
927660234068
109972631124
114258321405
121b23992698
13c2c126c81
146a867ab08
153d57a39ee
hex2526a4654

9972631124 has 6 divisors (see below), whose sum is σ = 17452104474. Its totient is φ = 4986315560.

The previous prime is 9972631091. The next prime is 9972631129. The reversal of 9972631124 is 4211362799.

It can be written as a sum of positive squares in only one way, i.e., 9972019600 + 611524 = 99860^2 + 782^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9972631129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1246578887 + ... + 1246578894.

It is an arithmetic number, because the mean of its divisors is an integer number (2908684079).

Almost surely, 29972631124 is an apocalyptic number.

It is an amenable number.

9972631124 is a deficient number, since it is larger than the sum of its proper divisors (7479473350).

9972631124 is a wasteful number, since it uses less digits than its factorization.

9972631124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493157785 (or 2493157783 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 9972631124 is about 99863.0618597287. The cubic root of 9972631124 is about 2152.4674123368.

The spelling of 9972631124 in words is "nine billion, nine hundred seventy-two million, six hundred thirty-one thousand, one hundred twenty-four".

Divisors: 1 2 4 2493157781 4986315562 9972631124