Search a number
-
+
61948223236 = 221244472
BaseRepresentation
bin111001101100011001…
…101101111100000100
312220220021111210121101
4321230121231330010
52003332221120421
644243021225444
74322064131554
oct715431557404
9186807453541
1061948223236
11242aa180009
121000a402284
135ac32764c3
142dd9511164
1519287d9191
hexe6c66df04

61948223236 has 9 divisors (see below), whose sum is σ = 108410261799. Its totient is φ = 30973862724.

The previous prime is 61948223221. The next prime is 61948223251. The reversal of 61948223236 is 63232284916.

The square root of 61948223236 is 248894.

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

It is an interprime number because it is at equal distance from previous prime (61948223221) and next prime (61948223251).

It is a Duffinian 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 2 ways as a sum of consecutive naturals, for example, 435565 + ... + 560011.

Almost surely, 261948223236 is an apocalyptic number.

61948223236 is the 248894-th square number.

It is an amenable number.

61948223236 is a deficient number, since it is larger than the sum of its proper divisors (46462038563).

61948223236 is an frugal number, since it uses more digits than its factorization.

61948223236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248898 (or 124449 counting only the distinct ones).

The product of its digits is 746496, while the sum is 46.

The spelling of 61948223236 in words is "sixty-one billion, nine hundred forty-eight million, two hundred twenty-three thousand, two hundred thirty-six".

Divisors: 1 2 4 124447 248894 497788 15487055809 30974111618 61948223236