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20908937614 = 237811348401
BaseRepresentation
bin10011011110010001…
…010001000110001110
31222222011212002020211
4103132101101012032
5320310142000424
613334435033034
71340100015535
oct233621210616
958864762224
1020908937614
11895a606334
12407643b77a
131c82ab0446
141024ccb31c
15825960b94
hex4de45118e

20908937614 has 16 divisors (see below), whose sum is σ = 32250876336. Its totient is φ = 10159344000.

The previous prime is 20908937597. The next prime is 20908937659. The reversal of 20908937614 is 41673980902.

It is a super-2 number, since 2×209089376142 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114187 + ... + 234214.

It is an arithmetic number, because the mean of its divisors is an integer number (2015679771).

Almost surely, 220908937614 is an apocalyptic number.

20908937614 is a deficient number, since it is larger than the sum of its proper divisors (11341938722).

20908937614 is a wasteful number, since it uses less digits than its factorization.

20908937614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349251.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 20908937614 in words is "twenty billion, nine hundred eight million, nine hundred thirty-seven thousand, six hundred fourteen".

Divisors: 1 2 37 74 811 1622 30007 60014 348401 696802 12890837 25781674 282553211 565106422 10454468807 20908937614