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10812464289 = 321122321372
BaseRepresentation
bin10100001000111100…
…10001110010100001
31000220112120002121100
422010132101302201
5134120442324124
64544524345013
7531641300334
oct120436216241
930815502540
1010812464289
114649399500
1221190a5169
131034115783
1474801461b
154343981c9
hex284791ca1

10812464289 has 81 divisors (see below), whose sum is σ = 18077682259. Its totient is φ = 6222342720.

The previous prime is 10812464263. The next prime is 10812464291. The reversal of 10812464289 is 98246421801.

The square root of 10812464289 is 103983.

It is a perfect power (a square), and thus also a powerful number.

10812464289 is a `hidden beast` number, since 108 + 1 + 2 + 464 + 2 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6351293025 + 4461171264 = 79695^2 + 66792^2 .

It is not a de Polignac number, because 10812464289 - 215 = 10812431521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10812464989) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 78923029 + ... + 78923165.

Almost surely, 210812464289 is an apocalyptic number.

10812464289 is the 103983-rd square number.

10812464289 is the 51992-nd centered octagonal number.

It is an amenable number.

10812464289 is a deficient number, since it is larger than the sum of its proper divisors (7265217970).

10812464289 is a wasteful number, since it uses less digits than its factorization.

10812464289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 10812464289 in words is "ten billion, eight hundred twelve million, four hundred sixty-four thousand, two hundred eighty-nine".

Divisors: 1 3 9 11 23 33 69 99 121 137 207 253 363 411 529 759 1089 1233 1507 1587 2277 2783 3151 4521 4761 5819 8349 9453 13563 16577 17457 18769 25047 28359 34661 49731 52371 56307 64009 72473 103983 149193 168921 192027 206459 217419 311949 381271 431687 576081 619377 652257 797203 1143813 1295061 1858131 2271049 2391609 3431439 3885183 4748557 6813147 7174827 8769233 9928801 14245671 20439441 26307699 29786403 42737013 52234127 78923097 89359209 109216811 156702381 327650433 470107143 982951299 1201384921 3604154763 10812464289