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20713078210 = 2511463406697
BaseRepresentation
bin10011010010100110…
…000111110111000010
31222110112022101122211
4103102212013313002
5314410022000320
613303201052334
71332201155056
oct232246076702
958415271584
1020713078210
118869aa1260
1240209270aa
131c513459c6
141006ca5c66
1581367355a
hex4d2987dc2

20713078210 has 32 divisors (see below), whose sum is σ = 40760900352. Its totient is φ = 7515742080.

The previous prime is 20713078157. The next prime is 20713078219. The reversal of 20713078210 is 1287031702.

It is not an unprimeable number, because it can be changed into a prime (20713078219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152419 + ... + 254278.

It is an arithmetic number, because the mean of its divisors is an integer number (1273778136).

Almost surely, 220713078210 is an apocalyptic number.

20713078210 is a deficient number, since it is larger than the sum of its proper divisors (20047822142).

20713078210 is a wasteful number, since it uses less digits than its factorization.

20713078210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407178.

The product of its (nonzero) digits is 4704, while the sum is 31.

The spelling of 20713078210 in words is "twenty billion, seven hundred thirteen million, seventy-eight thousand, two hundred ten".

Divisors: 1 2 5 10 11 22 55 110 463 926 2315 4630 5093 10186 25465 50930 406697 813394 2033485 4066970 4473667 8947334 22368335 44736670 188300711 376601422 941503555 1883007110 2071307821 4142615642 10356539105 20713078210