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1054687920400 = 2452513492
BaseRepresentation
bin11110101100100000100…
…11001000000100010000
310201211100000101121221101
433112100103020010100
5114240000101423100
62124303354234144
7136125102256132
oct17262023100420
93654300347841
101054687920400
11377321920a24
121504a4a25954
13785c232a05a
14390935dd052
151c67c96986a
hexf5904c8110

1054687920400 has 45 divisors (see below), whose sum is σ = 2533937076111. Its totient is φ = 421866952320.

The previous prime is 1054687920383. The next prime is 1054687920409. The reversal of 1054687920400 is 40297864501.

The square root of 1054687920400 is 1026980.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 368997932304 + 685689988096 = 607452^2 + 828064^2 .

It is a super-2 number, since 2×10546879204002 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1054687920409) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 20513926 + ... + 20565274.

Almost surely, 21054687920400 is an apocalyptic number.

1054687920400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1054687920400 is the 1026980-th square number.

It is an amenable number.

1054687920400 is an abundant number, since it is smaller than the sum of its proper divisors (1479249155711).

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

1054687920400 is an frugal number, since it uses more digits than its factorization.

1054687920400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102716 (or 51356 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 1054687920400 in words is "one trillion, fifty-four billion, six hundred eighty-seven million, nine hundred twenty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 51349 102698 205396 256745 410792 513490 821584 1026980 1283725 2053960 2567450 4107920 5134900 10269800 20539600 2636719801 5273439602 10546879204 13183599005 21093758408 26367198010 42187516816 52734396020 65917995025 105468792040 131835990050 210937584080 263671980100 527343960200 1054687920400