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23488645620 = 22351137961861
BaseRepresentation
bin10101111000000010…
…000100100111110100
32020121222000211100210
4111320002010213310
5341101043124440
614442431105420
71461033123246
oct257002044764
966558024323
1023488645620
119a63801120
124676372270
1322a439a09b
1411cb76a096
15927183a80
hex5780849f4

23488645620 has 96 divisors (see below), whose sum is σ = 73686324096. Its totient is φ = 5540313600.

The previous prime is 23488645619. The next prime is 23488645669. The reversal of 23488645620 is 2654688432.

It is a self number, because there is not a number n which added to its sum of digits gives 23488645620.

It is a congruent number.

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, 456511 + ... + 505350.

It is an arithmetic number, because the mean of its divisors is an integer number (767565876).

Almost surely, 223488645620 is an apocalyptic number.

23488645620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23488645620 is an abundant number, since it is smaller than the sum of its proper divisors (50197678476).

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

23488645620 is a wasteful number, since it uses less digits than its factorization.

23488645620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961921 (or 961919 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 48.

The spelling of 23488645620 in words is "twenty-three billion, four hundred eighty-eight million, six hundred forty-five thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 37 44 55 60 66 74 110 111 132 148 165 185 220 222 330 370 407 444 555 660 740 814 1110 1221 1628 2035 2220 2442 4070 4884 6105 8140 12210 24420 961861 1923722 2885583 3847444 4809305 5771166 9618610 10580471 11542332 14427915 19237220 21160942 28855830 31741413 35588857 42321884 52902355 57711660 63482826 71177714 105804710 106766571 126965652 142355428 158707065 177944285 211609420 213533142 317414130 355888570 391477427 427066284 533832855 634828260 711777140 782954854 1067665710 1174432281 1565909708 1957387135 2135331420 2348864562 3914774270 4697729124 5872161405 7829548540 11744322810 23488645620