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213002023020 = 22355960170063
BaseRepresentation
bin1100011001011111101…
…0001111000001101100
3202100210110212220000120
43012113322033001230
511442212004214040
6241503552324540
721250250215443
oct3062772170154
9670713786016
10213002023020
11823740a8576
1235345b43750
1317116c4b917
14a448c15d5a
155819b757d0
hex3197e8f06c

213002023020 has 48 divisors (see below), whose sum is σ = 606514245120. Its totient is φ = 55837817536.

The previous prime is 213002022859. The next prime is 213002023043. The reversal of 213002023020 is 20320200312.

It is a super-2 number, since 2×2130020230202 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30081492 + ... + 30088571.

It is an arithmetic number, because the mean of its divisors is an integer number (12635713440).

Almost surely, 2213002023020 is an apocalyptic number.

213002023020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213002023020 is an abundant number, since it is smaller than the sum of its proper divisors (393512222100).

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

213002023020 is a wasteful number, since it uses less digits than its factorization.

213002023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60170134 (or 60170132 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 213002023020 its reverse (20320200312), we get a palindrome (233322223332).

The spelling of 213002023020 in words is "two hundred thirteen billion, two million, twenty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 59 60 118 177 236 295 354 590 708 885 1180 1770 3540 60170063 120340126 180510189 240680252 300850315 361020378 601700630 722040756 902550945 1203401260 1805101890 3550033717 3610203780 7100067434 10650101151 14200134868 17750168585 21300202302 35500337170 42600404604 53250505755 71000674340 106501011510 213002023020