Search a number
-
+
61300407450 = 2352408669383
BaseRepresentation
bin111001000101110010…
…011111110010011010
312212020010112100102010
4321011302133302122
52001020401014300
644054440250350
74300036603032
oct710562376232
9185203470363
1061300407450
1123aa7533467
12ba694709b6
135a1bca8759
142d7747c8c2
1518db9c3a50
hexe45c9fc9a

61300407450 has 24 divisors (see below), whose sum is σ = 152025010848. Its totient is φ = 16346775280.

The previous prime is 61300407419. The next prime is 61300407499. The reversal of 61300407450 is 5470400316.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204334542 + ... + 204334841.

It is an arithmetic number, because the mean of its divisors is an integer number (6334375452).

Almost surely, 261300407450 is an apocalyptic number.

61300407450 is an abundant number, since it is smaller than the sum of its proper divisors (90724603398).

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

61300407450 is a wasteful number, since it uses less digits than its factorization.

61300407450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408669398 (or 408669393 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

Adding to 61300407450 its reverse (5470400316), we get a palindrome (66770807766).

The spelling of 61300407450 in words is "sixty-one billion, three hundred million, four hundred seven thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 408669383 817338766 1226008149 2043346915 2452016298 4086693830 6130040745 10216734575 12260081490 20433469150 30650203725 61300407450