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2801011011540 = 2235717392298461
BaseRepresentation
bin101000110000101001010…
…001000010111111010100
3100220202220021101022001120
4220300221101002333110
5331342432304332130
65542433334523540
7406236443522430
oct50605121027724
910822807338046
102801011011540
1198a9a176a505
12392a30b065b0
13174198b05011
14997d91cb9c0
154ccd9e28910
hex28c29442fd4

2801011011540 has 96 divisors (see below), whose sum is σ = 9490484392704. Its totient is φ = 602570434560.

The previous prime is 2801011011499. The next prime is 2801011011559. The reversal of 2801011011540 is 451101101082.

It is a self number, because there is not a number n which added to its sum of digits gives 2801011011540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196142091 + ... + 196156370.

It is an arithmetic number, because the mean of its divisors is an integer number (98859212424).

Almost surely, 22801011011540 is an apocalyptic number.

2801011011540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2801011011540 is an abundant number, since it is smaller than the sum of its proper divisors (6689473381164).

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

2801011011540 is a wasteful number, since it uses less digits than its factorization.

2801011011540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392298497 (or 392298495 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 24.

The spelling of 2801011011540 in words is "two trillion, eight hundred one billion, eleven million, eleven thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 17 20 21 28 30 34 35 42 51 60 68 70 84 85 102 105 119 140 170 204 210 238 255 340 357 420 476 510 595 714 1020 1190 1428 1785 2380 3570 7140 392298461 784596922 1176895383 1569193844 1961492305 2353790766 2746089227 3922984610 4707581532 5492178454 5884476915 6669073837 7845969220 8238267681 10984356908 11768953830 13338147674 13730446135 16476535362 20007221511 23537907660 26676295348 27460892270 32953070724 33345369185 40014443022 41191338405 46683516859 54921784540 66690738370 80028886044 82382676810 93367033718 100036107555 133381476740 140050550577 164765353620 186734067436 200072215110 233417584295 280101101154 400144430220 466835168590 560202202308 700252752885 933670337180 1400505505770 2801011011540