Search a number
-
+
7972942849600 = 26527329672
BaseRepresentation
bin111010000000101100001…
…1011010010011001000000
31001020012120002120202012211
41310001120123102121000
52021112041332141400
624542415215231504
71452011646014641
oct164013033223100
931205502522184
107972942849600
1125a4340425713
12a89262518594
1345aacb1236b1
141d7c6d0016c8
15dc5db891dba
hex740586d2640

7972942849600 has 189 divisors, whose sum is σ = 19911440377827. Its totient is φ = 3142236948480.

The previous prime is 7972942849583. The next prime is 7972942849661. The reversal of 7972942849600 is 69482492797.

The square root of 7972942849600 is 2823640.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 43627512384 + 7929315337216 = 208872^2 + 2815904^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 8245028317 + ... + 8245029283.

Almost surely, 27972942849600 is an apocalyptic number.

7972942849600 is the 2823640-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7972942849600

7972942849600 is an abundant number, since it is smaller than the sum of its proper divisors (11938497528227).

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

7972942849600 is an frugal number, since it uses more digits than its factorization.

7972942849600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102 (or 1047 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 67.

The spelling of 7972942849600 in words is "seven trillion, nine hundred seventy-two billion, nine hundred forty-two million, eight hundred forty-nine thousand, six hundred".