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21454450151300 = 2252673202156739
BaseRepresentation
bin1001110000011010000001…
…11000010100111110000100
32210222000200112000120200222
410320031000320110332010
510303002203214320200
6113344012140323512
74343014163230505
oct470150070247604
983860615016628
1021454450151300
116921865880971
1224a6023b43598
13bc81b88cc83a
14542588208bac
1527312d3cdd85
hex138340e14f84

21454450151300 has 36 divisors (see below), whose sum is σ = 47251024855440. Its totient is φ = 8453693788320.

The previous prime is 21454450151297. The next prime is 21454450151327. The reversal of 21454450151300 is 315105445412.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1601071670 + ... + 1601085069.

Almost surely, 221454450151300 is an apocalyptic number.

21454450151300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21454450151300 is an abundant number, since it is smaller than the sum of its proper divisors (25796574704140).

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

21454450151300 is a wasteful number, since it uses less digits than its factorization.

21454450151300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202156820 (or 3202156813 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 21454450151300 its reverse (315105445412), we get a palindrome (21769555596712).

The spelling of 21454450151300 in words is "twenty-one trillion, four hundred fifty-four billion, four hundred fifty million, one hundred fifty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 67 100 134 268 335 670 1340 1675 3350 6700 3202156739 6404313478 12808626956 16010783695 32021567390 64043134780 80053918475 160107836950 214544501513 320215673900 429089003026 858178006052 1072722507565 2145445015130 4290890030260 5363612537825 10727225075650 21454450151300