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1380861142471 = 23155338659009
BaseRepresentation
bin10100000110000001101…
…111001110010111000111
311220000020120212002121201
4110012001233032113013
5140111000423024341
62534205302323331
7201523012022416
oct24060157162707
94800216762551
101380861142471
11492690130368
121a3753729547
13a02a376c0c5
144ab9684747d
1525dbcce7331
hex14181bce5c7

1380861142471 has 8 divisors (see below), whose sum is σ = 1441826436960. Its totient is φ = 1319973169152.

The previous prime is 1380861142421. The next prime is 1380861142481. The reversal of 1380861142471 is 1742411680831.

It is a happy number.

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 1380861142471 - 211 = 1380861140423 is a prime.

It is a super-3 number, since 3×13808611424713 (a number of 37 digits) contains 333 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 (1380861142421) 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, 19293786 + ... + 19365223.

It is an arithmetic number, because the mean of its divisors is an integer number (180228304620).

Almost surely, 21380861142471 is an apocalyptic number.

1380861142471 is a deficient number, since it is larger than the sum of its proper divisors (60965294489).

1380861142471 is a wasteful number, since it uses less digits than its factorization.

1380861142471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38660585.

The product of its (nonzero) digits is 258048, while the sum is 46.

The spelling of 1380861142471 in words is "one trillion, three hundred eighty billion, eight hundred sixty-one million, one hundred forty-two thousand, four hundred seventy-one".

Divisors: 1 23 1553 35719 38659009 889157207 60037440977 1380861142471