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203557420000 = 2554111019161
BaseRepresentation
bin1011110110010011110…
…1111011101111100000
3201110102021012100022201
42331210331323233200
511313341144420000
6233302445542544
720464225343614
oct2754475735740
9643367170281
10203557420000
1179367947530
123354ab74a54
131627034131c
149bd0749344
15546592496a
hex2f64f7bbe0

203557420000 has 240 divisors, whose sum is σ = 551776612464. Its totient is φ = 73280000000.

The previous prime is 203557419983. The next prime is 203557420013. The reversal of 203557420000 is 24755302.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 22215420 + ... + 22224580.

Almost surely, 2203557420000 is an apocalyptic number.

203557420000 is a gapful number since it is divisible by the number (20) 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 203557420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275888306232).

203557420000 is an abundant number, since it is smaller than the sum of its proper divisors (348219192464).

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

203557420000 is a wasteful number, since it uses less digits than its factorization.

203557420000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9303 (or 9280 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The spelling of 203557420000 in words is "two hundred three billion, five hundred fifty-seven million, four hundred twenty thousand".