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2690915475930 = 2351131307856813
BaseRepresentation
bin100111001010000111000…
…011111010000111011010
3100112020201112012121110120
4213022013003322013122
5323041443330212210
65420104533254110
7365261252102463
oct47120703720732
910466645177416
102690915475930
119482356a8050
12375626194336
131669a1898686
1494353459d6a
1549ee475e270
hex272870fa1da

2690915475930 has 128 divisors (see below), whose sum is σ = 7296271589376. Its totient is φ = 629242732800.

The previous prime is 2690915475929. The next prime is 2690915475949. The reversal of 2690915475930 is 395745190962.

2690915475930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2712204 + ... + 3569016.

It is an arithmetic number, because the mean of its divisors is an integer number (57002121792).

Almost surely, 22690915475930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2690915475930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3648135794688).

2690915475930 is an abundant number, since it is smaller than the sum of its proper divisors (4605356113446).

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

2690915475930 is a wasteful number, since it uses less digits than its factorization.

2690915475930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857172.

The product of its (nonzero) digits is 18370800, while the sum is 60.

The spelling of 2690915475930 in words is "two trillion, six hundred ninety billion, nine hundred fifteen million, four hundred seventy-five thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 31 33 55 62 66 93 110 155 165 186 307 310 330 341 465 614 682 921 930 1023 1535 1705 1842 2046 3070 3377 3410 4605 5115 6754 9210 9517 10131 10230 16885 19034 20262 28551 33770 47585 50655 57102 95170 101310 104687 142755 209374 285510 314061 523435 628122 856813 1046870 1570305 1713626 2570439 3140610 4284065 5140878 8568130 9424943 12852195 18849886 25704390 26561203 28274829 47124715 53122406 56549658 79683609 94249430 132806015 141374145 159367218 263041591 265612030 282748290 292173233 398418045 526083182 584346466 789124773 796836090 876519699 1315207955 1460866165 1578249546 1753039398 2630415910 2893457501 2921732330 3945623865 4382598495 5786915002 7891247730 8154289321 8680372503 8765196990 14467287505 16308578642 17360745006 24462867963 28934575010 40771446605 43401862515 48925735926 81542893210 86803725030 89697182531 122314339815 179394365062 244628679630 269091547593 448485912655 538183095186 896971825310 1345457737965 2690915475930