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61252409248 = 251914137789
BaseRepresentation
bin111001000010111011…
…011001011110100000
312212002210012210020221
4321002323121132200
52000421104043443
644050003412424
74265614613422
oct710273313640
9185083183227
1061252409248
1123a8242a728
12ba55384114
135a12071554
142d70d46812
1518d7691eed
hexe42ed97a0

61252409248 has 12 divisors (see below), whose sum is σ = 120590680770. Its totient is φ = 30626204608.

The previous prime is 61252409201. The next prime is 61252409291. The reversal of 61252409248 is 84290425216.

61252409248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 32375524624 + 28876884624 = 179932^2 + 169932^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 957068863 + ... + 957068926.

Almost surely, 261252409248 is an apocalyptic number.

It is an amenable number.

61252409248 is a deficient number, since it is larger than the sum of its proper divisors (59338271522).

61252409248 is a wasteful number, since it uses less digits than its factorization.

61252409248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914137799 (or 1914137791 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 61252409248 in words is "sixty-one billion, two hundred fifty-two million, four hundred nine thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 32 1914137789 3828275578 7656551156 15313102312 30626204624 61252409248