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11154545050 = 2521127117481
BaseRepresentation
bin10100110001101110…
…01101100110011010
31001210101020121012011
422120313031212122
5140321030420200
65042504340134
7543264032335
oct123067154632
931711217164
1011154545050
1148044a4880
1221b377464a
131089c5821c
1477b61d61c
1545441a5ba
hex298dcd99a

11154545050 has 48 divisors (see below), whose sum is σ = 22644961344. Its totient is φ = 4054160000.

The previous prime is 11154545027. The next prime is 11154545089. The reversal of 11154545050 is 5054545111.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1487310 + ... + 1494790.

It is an arithmetic number, because the mean of its divisors is an integer number (471770028).

Almost surely, 211154545050 is an apocalyptic number.

11154545050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11154545050 is an abundant number, since it is smaller than the sum of its proper divisors (11490416294).

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

11154545050 is a wasteful number, since it uses less digits than its factorization.

11154545050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10215 (or 10210 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 31.

The spelling of 11154545050 in words is "eleven billion, one hundred fifty-four million, five hundred forty-five thousand, fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 2711 5422 7481 13555 14962 27110 29821 37405 59642 67775 74810 82291 135550 149105 164582 187025 298210 374050 411455 745525 822910 1491050 2057275 4114550 20280991 40561982 101404955 202809910 223090901 446181802 507024775 1014049550 1115454505 2230909010 5577272525 11154545050