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70998450000 = 24355503941
BaseRepresentation
bin100001000011111010…
…1100101111101010000
320210021000002221210020
41002013311211331100
52130401100400000
652341035103440
75062256603412
oct1020765457520
9223230087706
1070998450000
1128123857365
12119152a1b80
13690626117a
14361747c9b2
151ca80d7ba0
hex1087d65f50

70998450000 has 240 divisors, whose sum is σ = 229951032192. Its totient is φ = 18875200000.

The previous prime is 70998449983. The next prime is 70998450007. The reversal of 70998450000 is 5489907.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70998450007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75449530 + ... + 75450470.

Almost surely, 270998450000 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 70998450000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114975516096).

70998450000 is an abundant number, since it is smaller than the sum of its proper divisors (158952582192).

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

70998450000 is an equidigital number, since it uses as much as digits as its factorization.

70998450000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480 (or 1454 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 70998450000 in words is "seventy billion, nine hundred ninety-eight million, four hundred fifty thousand".