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20699054416 = 244051319351
BaseRepresentation
bin10011010001110000…
…101000000101010000
31222102112220220122001
4103101300220011100
5314342424220131
613301540323344
71331641026265
oct232160500520
958375826561
1020699054416
118862092a47
1240180a3554
131c4b4757c1
14100509526c
15812303261
hex4d1c28150

20699054416 has 20 divisors (see below), whose sum is σ = 40114443424. Its totient is φ = 10346940000.

The previous prime is 20699054399. The next prime is 20699054473. The reversal of 20699054416 is 61445099602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94860 + ... + 224491.

Almost surely, 220699054416 is an apocalyptic number.

It is an amenable number.

20699054416 is a deficient number, since it is larger than the sum of its proper divisors (19415389008).

20699054416 is a wasteful number, since it uses less digits than its factorization.

20699054416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323410 (or 323404 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 20699054416 in words is "twenty billion, six hundred ninety-nine million, fifty-four thousand, four hundred sixteen".

Divisors: 1 2 4 8 16 4051 8102 16204 32408 64816 319351 638702 1277404 2554808 5109616 1293690901 2587381802 5174763604 10349527208 20699054416