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20608716430 = 252060871643
BaseRepresentation
bin10011001100011000…
…000000111010001110
31222012020221021012201
4103030120000322032
5314201312411210
613244552152114
71326463125241
oct231430007216
958166837181
1020608716430
1188160a0755
123bb199863a
131c35835a83
14dd709b258
1580940b53a
hex4cc600e8e

20608716430 has 8 divisors (see below), whose sum is σ = 37095689592. Its totient is φ = 8243486568.

The previous prime is 20608716407. The next prime is 20608716431. The reversal of 20608716430 is 3461780602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20608716430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20608716431) 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, 1030435812 + ... + 1030435831.

It is an arithmetic number, because the mean of its divisors is an integer number (4636961199).

Almost surely, 220608716430 is an apocalyptic number.

20608716430 is a deficient number, since it is larger than the sum of its proper divisors (16486973162).

20608716430 is a wasteful number, since it uses less digits than its factorization.

20608716430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060871650.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 20608716430 in words is "twenty billion, six hundred eight million, seven hundred sixteen thousand, four hundred thirty".

Divisors: 1 2 5 10 2060871643 4121743286 10304358215 20608716430