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20716462190 = 258324959593
BaseRepresentation
bin10011010010110011…
…000010000001101110
31222110202200022121102
4103102303002001232
5314411403242230
613303401403102
71332242010644
oct232263020156
958422608542
1020716462190
1188709a2736
124021a99492
131c51c5c068
141007507194
15813ae1045
hex4d2cc206e

20716462190 has 16 divisors (see below), whose sum is σ = 37738906128. Its totient is φ = 8186746176.

The previous prime is 20716462183. The next prime is 20716462199. The reversal of 20716462190 is 9126461702.

It is a super-2 number, since 2×207164621902 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20716462199) 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, 12478967 + ... + 12480626.

It is an arithmetic number, because the mean of its divisors is an integer number (2358681633).

Almost surely, 220716462190 is an apocalyptic number.

20716462190 is a deficient number, since it is larger than the sum of its proper divisors (17022443938).

20716462190 is a wasteful number, since it uses less digits than its factorization.

20716462190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24959683.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 20716462190 in words is "twenty billion, seven hundred sixteen million, four hundred sixty-two thousand, one hundred ninety".

Divisors: 1 2 5 10 83 166 415 830 24959593 49919186 124797965 249595930 2071646219 4143292438 10358231095 20716462190