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1448137121687 = 47238112940541
BaseRepresentation
bin10101000100101011101…
…100101101111110010111
312010102220011110221110122
4111010223230231332113
5142211241100343222
63025133124142155
7206424121302464
oct25045354557627
95112804427418
101448137121687
1150917371a293
121b47aa23795b
13a673573c729
145013977666b
1527a091caa42
hex1512bb2df97

1448137121687 has 8 divisors (see below), whose sum is σ = 1479569810112. Its totient is φ = 1416730319200.

The previous prime is 1448137121681. The next prime is 1448137121689. The reversal of 1448137121687 is 7861217318441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1448137121687 - 26 = 1448137121623 is a prime.

It is a super-2 number, since 2×14481371216872 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1448137121681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6358364 + ... + 6582177.

It is an arithmetic number, because the mean of its divisors is an integer number (184946226264).

Almost surely, 21448137121687 is an apocalyptic number.

1448137121687 is a deficient number, since it is larger than the sum of its proper divisors (31432688425).

1448137121687 is a wasteful number, since it uses less digits than its factorization.

1448137121687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12942969.

The product of its digits is 1806336, while the sum is 53.

The spelling of 1448137121687 in words is "one trillion, four hundred forty-eight billion, one hundred thirty-seven million, one hundred twenty-one thousand, six hundred eighty-seven".

Divisors: 1 47 2381 111907 12940541 608205427 30811428121 1448137121687