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19614028290 = 2351723172977
BaseRepresentation
bin10010010001000101…
…100101001000000010
31212121221020212121020
4102101011211020002
5310132142401130
613002140410310
71263024326643
oct222105451002
955557225536
1019614028290
11835567583a
123974846996
131b077385cc
14d40d336ca
1579be28e10
hex491165202

19614028290 has 96 divisors (see below), whose sum is σ = 51619382784. Its totient is φ = 4763873280.

The previous prime is 19614028279. The next prime is 19614028319. The reversal of 19614028290 is 9282041691.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 232282 + ... + 305258.

It is an arithmetic number, because the mean of its divisors is an integer number (537701904).

Almost surely, 219614028290 is an apocalyptic number.

19614028290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 19614028290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25809691392).

19614028290 is an abundant number, since it is smaller than the sum of its proper divisors (32005354494).

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

19614028290 is a wasteful number, since it uses less digits than its factorization.

19614028290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73052 (or 73035 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The spelling of 19614028290 in words is "nineteen billion, six hundred fourteen million, twenty-eight thousand, two hundred ninety".

Divisors: 1 2 3 5 6 10 15 17 30 31 34 51 62 85 93 102 155 170 186 255 289 310 465 510 527 578 867 930 1054 1445 1581 1734 2635 2890 3162 4335 5270 7905 8670 8959 15810 17918 26877 44795 53754 72977 89590 134385 145954 218931 268770 364885 437862 729770 1094655 1240609 2189310 2262287 2481218 3721827 4524574 6203045 6786861 7443654 11311435 12406090 13573722 18609135 21090353 22622870 33934305 37218270 38458879 42180706 63271059 67868610 76917758 105451765 115376637 126542118 192294395 210903530 230753274 316355295 384588790 576883185 632710590 653800943 1153766370 1307601886 1961402829 3269004715 3922805658 6538009430 9807014145 19614028290