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67268247552 = 2233611
BaseRepresentation
bin111110101001100000…
…000000000000000000
320102122001002001000000
4332221200000000000
52100231132410202
650522544000000
74600653445542
oct765140000000
9212561061000
1067268247552
112658a199020
1211054000000
1364604c439c
143381cb9692
151b3a8a791c
hexfa9800000

67268247552 has 336 divisors, whose sum is σ = 220049951940. Its totient is φ = 20384317440.

The previous prime is 67268247521. The next prime is 67268247569. The reversal of 67268247552 is 25574286276.

67268247552 is a `hidden beast` number, since 6 + 7 + 2 + 6 + 82 + 4 + 7 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (11289600) is a multiple of the sum of its prime divisors (16).

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 6115295227 + ... + 6115295237.

Almost surely, 267268247552 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 67268247552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110024975970).

67268247552 is an abundant number, since it is smaller than the sum of its proper divisors (152781704388).

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

67268247552 is an frugal number, since it uses more digits than its factorization.

67268247552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75 (or 16 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 54.

It can be divided in two parts, 6726824 and 7552, that added together give a palindrome (6734376).

The spelling of 67268247552 in words is "sixty-seven billion, two hundred sixty-eight million, two hundred forty-seven thousand, five hundred fifty-two".