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20703070463 = 532238292113
BaseRepresentation
bin10011010001111111…
…111100100011111111
31222102211110221121112
4103101333330203333
5314344441223323
613302202352235
71332020124005
oct232177744377
958384427545
1020703070463
118864386299
1240194bb67b
131c4c25076a
14100581ca75
15812848178
hex4d1ffc8ff

20703070463 has 16 divisors (see below), whose sum is σ = 21223883520. Its totient is φ = 20187408384.

The previous prime is 20703070459. The next prime is 20703070471. The reversal of 20703070463 is 36407030702.

It is a cyclic number.

It is not a de Polignac number, because 20703070463 - 22 = 20703070459 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 (20703070363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9796895 + ... + 9799007.

It is an arithmetic number, because the mean of its divisors is an integer number (1326492720).

Almost surely, 220703070463 is an apocalyptic number.

20703070463 is a deficient number, since it is larger than the sum of its proper divisors (520813057).

20703070463 is a wasteful number, since it uses less digits than its factorization.

20703070463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3218.

The product of its (nonzero) digits is 21168, while the sum is 32.

The spelling of 20703070463 in words is "twenty billion, seven hundred three million, seventy thousand, four hundred sixty-three".

Divisors: 1 53 223 829 2113 11819 43937 111989 184867 471199 1751677 9797951 24973547 92838881 390623971 20703070463