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1545053031420 = 223561422145637
BaseRepresentation
bin10110011110111100010…
…101100100101111111100
312110201001101212021012220
4112132330111210233330
5200303232034001140
63141442040325340
7216424566035253
oct26367425445774
95421041767186
101545053031420
1154628717a758
1220b537173850
13b290c304892
1454ad0d8179a
152a2cc7b0bd0
hex167bc564bfc

1545053031420 has 48 divisors (see below), whose sum is σ = 4397068965408. Its totient is φ = 405259810560.

The previous prime is 1545053031413. The next prime is 1545053031493. The reversal of 1545053031420 is 241303505451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211069159 + ... + 211076478.

It is an arithmetic number, because the mean of its divisors is an integer number (91605603446).

Almost surely, 21545053031420 is an apocalyptic number.

1545053031420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1545053031420 is an abundant number, since it is smaller than the sum of its proper divisors (2852015933988).

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

1545053031420 is a wasteful number, since it uses less digits than its factorization.

1545053031420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422145710 (or 422145708 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 1545053031420 its reverse (241303505451), we get a palindrome (1786356536871).

The spelling of 1545053031420 in words is "one trillion, five hundred forty-five billion, fifty-three million, thirty-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 61 122 183 244 305 366 610 732 915 1220 1830 3660 422145637 844291274 1266436911 1688582548 2110728185 2532873822 4221456370 5065747644 6332184555 8442912740 12664369110 25328738220 25750883857 51501767714 77252651571 103003535428 128754419285 154505303142 257508838570 309010606284 386263257855 515017677140 772526515710 1545053031420