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2021003300320 = 25569131215857
BaseRepresentation
bin11101011010001101001…
…011110000110111100000
321011012120012021001111221
4131122031023300313200
5231103003321102240
64144234110344424
7266004226416544
oct35321513606740
97135505231457
102021003300320
1170a114748224
12287825abb114
1311876ca63424
146db62101a24
1537886d7ca4a
hex1d68d2f0de0

2021003300320 has 96 divisors (see below), whose sum is σ = 4783878713376. Its totient is φ = 806834995200.

The previous prime is 2021003300291. The next prime is 2021003300347. The reversal of 2021003300320 is 230033001202.

It is a super-2 number, since 2×20210033003202 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 2021003300294 and 2021003300303.

It is a congruent number.

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, 345054832 + ... + 345060688.

It is an arithmetic number, because the mean of its divisors is an integer number (49832069931).

Almost surely, 22021003300320 is an apocalyptic number.

2021003300320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021003300320 is an abundant number, since it is smaller than the sum of its proper divisors (2762875413056).

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

2021003300320 is a wasteful number, since it uses less digits than its factorization.

2021003300320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9684 (or 9676 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 2021003300320 its reverse (230033001202), we get a palindrome (2251036301522).

The spelling of 2021003300320 in words is "two trillion, twenty-one billion, three million, three hundred thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 691 1382 2764 3121 3455 5528 5857 6242 6910 11056 11714 12484 13820 15605 22112 23428 24968 27640 29285 31210 46856 49936 55280 58570 62420 93712 99872 110560 117140 124840 187424 234280 249680 468560 499360 937120 2156611 4047187 4313222 8094374 8626444 10783055 16188748 17252888 18279697 20235935 21566110 32377496 34505776 36559394 40471870 43132220 64754992 69011552 73118788 80943740 86264440 91398485 129509984 146237576 161887480 172528880 182796970 292475152 323774960 345057760 365593940 584950304 647549920 731187880 1462375760 2924751520 12631270627 25262541254 50525082508 63156353135 101050165016 126312706270 202100330032 252625412540 404200660064 505250825080 1010501650160 2021003300320