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61430050452 = 2235119170871
BaseRepresentation
bin111001001101100001…
…000010111010010100
312212120011110220011210
4321031201002322110
52001302043103302
644115351101420
74303202546001
oct711541027224
9185504426153
1061430050452
1124063731141
12baa4971870
135a3caca8a4
142d8a7888a8
1518e808166c
hexe4d842e94

61430050452 has 12 divisors (see below), whose sum is σ = 143336784416. Its totient is φ = 20476683480.

The previous prime is 61430050441. The next prime is 61430050489. The reversal of 61430050452 is 25405003416.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2559585424 + ... + 2559585447.

Almost surely, 261430050452 is an apocalyptic number.

It is an amenable number.

61430050452 is an abundant number, since it is smaller than the sum of its proper divisors (81906733964).

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

61430050452 is a wasteful number, since it uses less digits than its factorization.

61430050452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5119170878 (or 5119170876 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 61430050452 its reverse (25405003416), we get a palindrome (86835053868).

The spelling of 61430050452 in words is "sixty-one billion, four hundred thirty million, fifty thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 5119170871 10238341742 15357512613 20476683484 30715025226 61430050452