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1054403500020 = 22351329157367809
BaseRepresentation
bin11110101011111110101…
…10001001011111110100
310201210121012012120112020
433111333112021133310
5114233404244000040
62124215234153140
7136115046605163
oct17257726113764
93653535176466
101054403500020
11377196318762
121504257227b0
1378578425680
14390679233da
151c6629d6cd0
hexf57f5897f4

1054403500020 has 384 divisors, whose sum is σ = 3323138918400. Its totient is φ = 248014061568.

The previous prime is 1054403499973. The next prime is 1054403500021. The reversal of 1054403500020 is 200053044501.

It is a super-2 number, since 2×10544035000202 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054403500021) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1303341376 + ... + 1303342184.

It is an arithmetic number, because the mean of its divisors is an integer number (8654007600).

Almost surely, 21054403500020 is an apocalyptic number.

1054403500020 is a gapful number since it is divisible by the number (10) 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 1054403500020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1661569459200).

1054403500020 is an abundant number, since it is smaller than the sum of its proper divisors (2268735418380).

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

1054403500020 is a wasteful number, since it uses less digits than its factorization.

1054403500020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387 (or 1385 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 1054403500020 its reverse (200053044501), we get a palindrome (1254456544521).

The spelling of 1054403500020 in words is "one trillion, fifty-four billion, four hundred three million, five hundred thousand, twenty".