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212020322108 = 22753142870837
BaseRepresentation
bin1100010101110101100…
…1010101111100111100
3202021021001122022112112
43011131121111330330
511433204200301413
6241222323153152
721214030000610
oct3053531257474
9667231568475
10212020322108
1181a0aa43101
12351112157b8
1316cbb74a8ca
14a3946ad340
1557ad8ab2a8
hex315d655f3c

212020322108 has 24 divisors (see below), whose sum is σ = 432041414112. Its totient is φ = 89151401664.

The previous prime is 212020322093. The next prime is 212020322123. The reversal of 212020322108 is 801223020212.

It is an interprime number because it is at equal distance from previous prime (212020322093) and next prime (212020322123).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71433935 + ... + 71436902.

It is an arithmetic number, because the mean of its divisors is an integer number (18001725588).

Almost surely, 2212020322108 is an apocalyptic number.

212020322108 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

212020322108 is an abundant number, since it is smaller than the sum of its proper divisors (220021092004).

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

212020322108 is a wasteful number, since it uses less digits than its factorization.

212020322108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142870901 (or 142870899 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The spelling of 212020322108 in words is "two hundred twelve billion, twenty million, three hundred twenty-two thousand, one hundred eight".

Divisors: 1 2 4 7 14 28 53 106 212 371 742 1484 142870837 285741674 571483348 1000095859 2000191718 4000383436 7572154361 15144308722 30288617444 53005080527 106010161054 212020322108