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49117386890 = 25111338389681
BaseRepresentation
bin101101101111100111…
…111101100010001010
311200210002000210001102
4231233213331202022
51301043022340030
634321512021402
73356113620455
oct555747754212
9150702023042
1049117386890
1119915536830
129629391862
134829c53250
14253d41c49c
15142714ec45
hexb6f9fd88a

49117386890 has 64 divisors (see below), whose sum is σ = 104140173312. Its totient is φ = 16443724800.

The previous prime is 49117386869. The next prime is 49117386911. The reversal of 49117386890 is 9868371194.

It is an interprime number because it is at equal distance from previous prime (49117386869) and next prime (49117386911).

It is a super-3 number, since 3×491173868903 (a number of 33 digits) contains 333 as substring.

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, 502850 + ... + 592530.

It is an arithmetic number, because the mean of its divisors is an integer number (1627190208).

Almost surely, 249117386890 is an apocalyptic number.

49117386890 is an abundant number, since it is smaller than the sum of its proper divisors (55022786422).

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

49117386890 is a wasteful number, since it uses less digits than its factorization.

49117386890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90095.

The product of its (nonzero) digits is 2612736, while the sum is 56.

The spelling of 49117386890 in words is "forty-nine billion, one hundred seventeen million, three hundred eighty-six thousand, eight hundred ninety".

Divisors: 1 2 5 10 11 13 22 26 55 65 110 130 143 286 383 715 766 1430 1915 3830 4213 4979 8426 9958 21065 24895 42130 49790 54769 89681 109538 179362 273845 448405 547690 896810 986491 1165853 1972982 2331706 4932455 5829265 9864910 11658530 12824383 25648766 34347823 64121915 68695646 128243830 171739115 343478230 377826053 446521699 755652106 893043398 1889130265 2232608495 3778260530 4465216990 4911738689 9823477378 24558693445 49117386890