Search a number
-
+
20077713210 = 2351275779133
BaseRepresentation
bin10010101100101110…
…011001011100111010
31220211020202111201210
4102230232121130322
5312104343310320
613120143023550
71310354514012
oct225456313472
956736674653
1020077713210
118573389115
123a83b9abb6
131b7c817199
14d86754c42
157c79bc0e0
hex4acb9973a

20077713210 has 64 divisors (see below), whose sum is σ = 48655429632. Its totient is φ = 5302112256.

The previous prime is 20077713113. The next prime is 20077713211. The reversal of 20077713210 is 1231777002.

It is a super-2 number, since 2×200777132102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (20077713211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2193804 + ... + 2202936.

It is an arithmetic number, because the mean of its divisors is an integer number (760241088).

Almost surely, 220077713210 is an apocalyptic number.

20077713210 is an abundant number, since it is smaller than the sum of its proper divisors (28577716422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20077713210 is a wasteful number, since it uses less digits than its factorization.

20077713210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9847.

The product of its (nonzero) digits is 4116, while the sum is 30.

The spelling of 20077713210 in words is "twenty billion, seventy-seven million, seven hundred thirteen thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 127 254 381 577 635 762 1154 1270 1731 1905 2885 3462 3810 5770 8655 9133 17310 18266 27399 45665 54798 73279 91330 136995 146558 219837 273990 366395 439674 732790 1099185 1159891 2198370 2319782 3479673 5269741 5799455 6959346 10539482 11598910 15809223 17398365 26348705 31618446 34796730 52697410 79046115 158092230 669257107 1338514214 2007771321 3346285535 4015542642 6692571070 10038856605 20077713210