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47455380992 = 29298935911
BaseRepresentation
bin101100001100100011…
…111010011000000000
311112111020200010120102
4230030203322120000
51234142034142432
633444541301532
73266663040305
oct541443723000
9145436603512
1047455380992
1119142364138
1292448648a8
13462381a4c6
1424227c70ac
15137b2a3962
hexb0c8fa600

47455380992 has 80 divisors (see below), whose sum is σ = 99192535200. Its totient is φ = 22651453440.

The previous prime is 47455380967. The next prime is 47455381003. The reversal of 47455380992 is 29908355474.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1303517 + ... + 1339427.

It is an arithmetic number, because the mean of its divisors is an integer number (1239906690).

Almost surely, 247455380992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47455380992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49596267600).

47455380992 is an abundant number, since it is smaller than the sum of its proper divisors (51737154208).

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

47455380992 is an equidigital number, since it uses as much as digits as its factorization.

47455380992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36047 (or 36031 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 47455380992 in words is "forty-seven billion, four hundred fifty-five million, three hundred eighty thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 29 32 58 64 89 116 128 178 232 256 356 464 512 712 928 1424 1856 2581 2848 3712 5162 5696 7424 10324 11392 14848 20648 22784 35911 41296 45568 71822 82592 143644 165184 287288 330368 574576 660736 1041419 1149152 1321472 2082838 2298304 3196079 4165676 4596608 6392158 8331352 9193216 12784316 16662704 18386432 25568632 33325408 51137264 66650816 92686291 102274528 133301632 185372582 204549056 266603264 370745164 409098112 533206528 741490328 818196224 1482980656 1636392448 2965961312 5931922624 11863845248 23727690496 47455380992