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86701728960 = 26325731179101
BaseRepresentation
bin101000010111111010…
…0110110010011000000
322021210101121011211200
41100233310312103000
52410031120311320
6103455154541200
76156356352000
oct1205764662300
9267711534750
1086701728960
1133851958260
1214978297800
1382396c6c02
1442a6c52000
1523c6a1b290
hex142fd364c0

86701728960 has 1344 divisors, whose sum is σ = 387998208000. Its totient is φ = 17611776000.

The previous prime is 86701728943. The next prime is 86701728973. The reversal of 86701728960 is 6982710768.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a junction number, because it is equal to n+sod(n) for n = 86701728897 and 86701728906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 858432910 + ... + 858433010.

Almost surely, 286701728960 is an apocalyptic number.

86701728960 is a gapful number since it is divisible by the number (80) 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 86701728960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193999104000).

86701728960 is an abundant number, since it is smaller than the sum of its proper divisors (301296479040).

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

86701728960 is a wasteful number, since it uses less digits than its factorization.

86701728960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The spelling of 86701728960 in words is "eighty-six billion, seven hundred one million, seven hundred twenty-eight thousand, nine hundred sixty".