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20877059307 = 313535309213
BaseRepresentation
bin10011011100010111…
…101010010011101011
31222212221212111102210
4103130113222103223
5320224011344212
613331335500203
71336232035056
oct233427522353
958787774383
1020877059307
118943612725
124067827663
131c792cb540
14102098da9d
15822c6553c
hex4dc5ea4eb

20877059307 has 8 divisors (see below), whose sum is σ = 29977315984. Its totient is φ = 12847421088.

The previous prime is 20877059303. The next prime is 20877059351. The reversal of 20877059307 is 70395077802.

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

It is not a de Polignac number, because 20877059307 - 22 = 20877059303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20877059303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267654568 + ... + 267654645.

It is an arithmetic number, because the mean of its divisors is an integer number (3747164498).

Almost surely, 220877059307 is an apocalyptic number.

20877059307 is a deficient number, since it is larger than the sum of its proper divisors (9100256677).

20877059307 is a wasteful number, since it uses less digits than its factorization.

20877059307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535309229.

The product of its (nonzero) digits is 740880, while the sum is 48.

The spelling of 20877059307 in words is "twenty billion, eight hundred seventy-seven million, fifty-nine thousand, three hundred seven".

Divisors: 1 3 13 39 535309213 1605927639 6959019769 20877059307