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47987195256 = 233371113221941
BaseRepresentation
bin101100101100010000…
…100111110101111000
311120212022101002121000
4230230100213311320
51241234210222011
634013420045000
73316111300230
oct545420476570
9146768332530
1047987195256
1119395580060
129372993760
1346a9a612c0
1424732a0cc0
1513acd03356
hexb2c427d78

47987195256 has 256 divisors, whose sum is σ = 178974028800. Its totient is φ = 11505369600.

The previous prime is 47987195233. The next prime is 47987195279. The reversal of 47987195256 is 65259178974.

47987195256 is a `hidden beast` number, since 4 + 7 + 98 + 7 + 19 + 525 + 6 = 666.

47987195256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47987195233) and next prime (47987195279).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 47987195193 and 47987195202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 105246 + ... + 327186.

It is an arithmetic number, because the mean of its divisors is an integer number (699117300).

Almost surely, 247987195256 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 47987195256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89487014400).

47987195256 is an abundant number, since it is smaller than the sum of its proper divisors (130986833544).

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

47987195256 is a wasteful number, since it uses less digits than its factorization.

47987195256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221987 (or 221977 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 63.

The spelling of 47987195256 in words is "forty-seven billion, nine hundred eighty-seven million, one hundred ninety-five thousand, two hundred fifty-six".