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472428745220488 = 23773269503854093
BaseRepresentation
bin110101101101010111110001…
…1100010100110000110001000
32021221201202011112111121101011
41223122233203202212012020
5443410233032234023423
64352434434105333304
7201336564500223130
oct15332574342460610
92257652145447334
10472428745220488
111275919a6537571
1244b9ba32a97234
131737babb558054
14849395d65bac0
153993e50db7b0d
hex1adabe38a6188

472428745220488 has 128 divisors (see below), whose sum is σ = 1032078990297600. Its totient is φ = 198557777627136.

The previous prime is 472428745220479. The next prime is 472428745220519. The reversal of 472428745220488 is 884022547824274.

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, 552707970 + ... + 553562062.

It is an arithmetic number, because the mean of its divisors is an integer number (8063117111700).

Almost surely, 2472428745220488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 472428745220488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (516039495148800).

472428745220488 is an abundant number, since it is smaller than the sum of its proper divisors (559650245077112).

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

472428745220488 is a wasteful number, since it uses less digits than its factorization.

472428745220488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854951 (or 854947 counting only the distinct ones).

The product of its (nonzero) digits is 513802240, while the sum is 67.

The spelling of 472428745220488 in words is "four hundred seventy-two trillion, four hundred twenty-eight billion, seven hundred forty-five million, two hundred twenty thousand, four hundred eighty-eight".

Divisors: 1 2 4 7 8 14 28 56 73 146 269 292 503 511 538 584 1006 1022 1076 1883 2012 2044 2152 3521 3766 4024 4088 7042 7532 14084 15064 19637 28168 36719 39274 73438 78548 135307 137459 146876 157096 257033 270614 274918 293752 514066 541228 549836 854093 947149 1028132 1082456 1099672 1708186 1894298 2056264 3416372 3788596 5978651 6832744 7577192 9877411 11957302 19754822 23914604 39509644 47829208 62348789 69141877 79019288 124697578 138283754 229751017 249395156 276567508 429608779 436441523 459502034 498790312 553135016 859217558 872883046 919004068 1608257119 1718435116 1745766092 1838008136 3007261453 3216514238 3436870232 3491532184 6014522906 6433028476 12029045812 12866056952 16771824241 24058091624 31361440867 33543648482 62722881734 67087296964 115564761551 117402769687 125445763468 134174593928 219530086069 231129523102 234805539374 250891526936 439060172138 462259046204 469611078748 808953330857 878120344276 924518092408 939222157496 1617906661714 1756240688552 3235813323428 6471626646856 8436227593223 16872455186446 33744910372892 59053593152561 67489820745784 118107186305122 236214372610244 472428745220488