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89998725600000 = 28325571785689
BaseRepresentation
bin10100011101101001110110…
…000100011101001100000000
3102210122210102221002001022100
4110131221312010131030000
543244014342223200000
6515224502130510400
724646123214326020
oct2435516604351400
9383583387061270
1089998725600000
1126749277380618
12a116433135400
133b2aac6c76aa9
141831d66747a80
15a61117a46a00
hex51da7611d300

89998725600000 has 648 divisors, whose sum is σ = 370674358760160. Its totient is φ = 20571125760000.

The previous prime is 89998725599987. The next prime is 89998725600031. The reversal of 89998725600000 is 652789998.

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

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 49507156 + ... + 51292844.

It is an arithmetic number, because the mean of its divisors is an integer number (572028331420).

Almost surely, 289998725600000 is an apocalyptic number.

89998725600000 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 89998725600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185337179380080).

89998725600000 is an abundant number, since it is smaller than the sum of its proper divisors (280675633160160).

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

89998725600000 is an equidigital number, since it uses as much as digits as its factorization.

89998725600000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785743 (or 1785706 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 63.

The spelling of 89998725600000 in words is "eighty-nine trillion, nine hundred ninety-eight billion, seven hundred twenty-five million, six hundred thousand".