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47397442560 = 2103513219312
BaseRepresentation
bin101100001001000110…
…111001010000000000
311112100012122112222120
4230021012321100000
51234032221130220
633435111404240
73265360420506
oct541106712000
9145305575876
1047397442560
1119112691136
129229383680
134614812a00
142418c24676
15137615ba40
hexb091b9400

47397442560 has 792 divisors, whose sum is σ = 178549820640. Its totient is φ = 10696458240.

The previous prime is 47397442553. The next prime is 47397442567. The reversal of 47397442560 is 6524479374.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47397442553) and next prime (47397442567).

It is a super-2 number, since 2×473974425602 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47397442567) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1528949745 + ... + 1528949775.

Almost surely, 247397442560 is an apocalyptic number.

47397442560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47397442560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89274910320).

47397442560 is an abundant number, since it is smaller than the sum of its proper divisors (131152378080).

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

47397442560 is a wasteful number, since it uses less digits than its factorization.

47397442560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 51.

The spelling of 47397442560 in words is "forty-seven billion, three hundred ninety-seven million, four hundred forty-two thousand, five hundred sixty".