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10899280018 = 21129314113441
BaseRepresentation
bin10100010011010010…
…11101000010010010
31001010120220210101201
422021221131002102
5134310203430033
65001305221414
7534044231404
oct121151350222
931116823351
1010899280018
1146933a5440
12214219186a
1310490c1223
14755772b74
1543bce647d
hex289a5d092

10899280018 has 64 divisors (see below), whose sum is σ = 19511331840. Its totient is φ = 4515840000.

The previous prime is 10899280013. The next prime is 10899280027. The reversal of 10899280018 is 81008299801.

It is a self number, because there is not a number n which added to its sum of digits gives 10899280018.

It is not an unprimeable number, because it can be changed into a prime (10899280013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 804178 + ... + 817618.

It is an arithmetic number, because the mean of its divisors is an integer number (304864560).

Almost surely, 210899280018 is an apocalyptic number.

10899280018 is a deficient number, since it is larger than the sum of its proper divisors (8612051822).

10899280018 is a wasteful number, since it uses less digits than its factorization.

10899280018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13555.

The product of its (nonzero) digits is 82944, while the sum is 46.

The spelling of 10899280018 in words is "ten billion, eight hundred ninety-nine million, two hundred eighty thousand, eighteen".

Divisors: 1 2 11 22 29 31 41 58 62 82 319 341 451 638 682 899 902 1189 1271 1798 2378 2542 9889 13079 13441 13981 19778 26158 26882 27962 36859 73718 147851 295702 389789 405449 416671 551081 779578 810898 833342 1102162 4287679 4583381 6061891 8575358 9166762 12083459 12123782 15981349 17083511 24166918 31962698 34167022 132918049 175794839 187918621 265836098 351589678 375837242 495421819 990843638 5449640009 10899280018