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914642328637 = 6635831378339
BaseRepresentation
bin11010100111101001110…
…11100101110000111101
310020102211222220110001101
431103310323211300331
5104441141414004022
61540103023213101
7123036455342212
oct15236473456075
93212758813041
10914642328637
11322996828044
1212931ba47191
13683341942ab
14323a9d03b09
1518bd2c3e627
hexd4f4ee5c3d

914642328637 has 4 divisors (see below), whose sum is σ = 914644370560. Its totient is φ = 914640286716.

The previous prime is 914642328599. The next prime is 914642328653. The reversal of 914642328637 is 736823246419.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-914642328637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (914642328697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25587 + ... + 1352752.

It is an arithmetic number, because the mean of its divisors is an integer number (228661092640).

Almost surely, 2914642328637 is an apocalyptic number.

It is an amenable number.

914642328637 is a deficient number, since it is larger than the sum of its proper divisors (2041923).

914642328637 is a wasteful number, since it uses less digits than its factorization.

914642328637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041922.

The product of its digits is 10450944, while the sum is 55.

The spelling of 914642328637 in words is "nine hundred fourteen billion, six hundred forty-two million, three hundred twenty-eight thousand, six hundred thirty-seven".

Divisors: 1 663583 1378339 914642328637