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2139245807104 = 29721031575273
BaseRepresentation
bin11111001000010100111…
…111001000011000000000
321120111202201101202120001
4133020110333020120000
5240022133411311404
64314431141525344
7310361335223200
oct37102477103000
97514681352501
102139245807104
1175528154070a
122a6725113854
13126964ac1283
147577bc78400
153a9a78c47a4
hex1f214fc8600

2139245807104 has 240 divisors, whose sum is σ = 5053369340448. Its totient is φ = 901964464128.

The previous prime is 2139245807051. The next prime is 2139245807107. The reversal of 2139245807104 is 4017085429312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139245807107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 405695412 + ... + 405700684.

Almost surely, 22139245807104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2139245807104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2526684670224).

2139245807104 is an abundant number, since it is smaller than the sum of its proper divisors (2914123533344).

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

2139245807104 is a wasteful number, since it uses less digits than its factorization.

2139245807104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5565 (or 5542 counting only the distinct ones).

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

The spelling of 2139245807104 in words is "two trillion, one hundred thirty-nine billion, two hundred forty-five million, eight hundred seven thousand, one hundred four".