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61023604838880 = 2535472704947023
BaseRepresentation
bin11011110000000001010100…
…10010100001000111100000
322000001210120221111000000010
431320000222102201013200
530444302320314321010
6333441505042324520
715565544546465625
oct1570005222410740
9260053527430003
1061023604838880
1118497a6905a902
126a16949959740
1328086693073c8
14110d7b5b1434c
1570c56d7a0620
hex37802a4a11e0

61023604838880 has 96 divisors (see below), whose sum is σ = 196314235213824. Its totient is φ = 15926728065536.

The previous prime is 61023604838873. The next prime is 61023604838897. The reversal of 61023604838880 is 8883840632016.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 61023604838880.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1352450952 + ... + 1352496071.

It is an arithmetic number, because the mean of its divisors is an integer number (2044939950144).

Almost surely, 261023604838880 is an apocalyptic number.

61023604838880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61023604838880 is an abundant number, since it is smaller than the sum of its proper divisors (135290630374944).

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

61023604838880 is a wasteful number, since it uses less digits than its factorization.

61023604838880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2704947088 (or 2704947080 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 57.

The spelling of 61023604838880 in words is "sixty-one trillion, twenty-three billion, six hundred four million, eight hundred thirty-eight thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 47 48 60 80 94 96 120 141 160 188 235 240 282 376 470 480 564 705 752 940 1128 1410 1504 1880 2256 2820 3760 4512 5640 7520 11280 22560 2704947023 5409894046 8114841069 10819788092 13524735115 16229682138 21639576184 27049470230 32459364276 40574205345 43279152368 54098940460 64918728552 81148410690 86558304736 108197880920 127132510081 129837457104 162296821380 216395761840 254265020162 259674914208 324593642760 381397530243 432791523680 508530040324 635662550405 649187285520 762795060486 1017060080648 1271325100810 1298374571040 1525590120972 1906987651215 2034120161296 2542650201620 3051180241944 3813975302430 4068240322592 5085300403240 6102360483888 7627950604860 10170600806480 12204720967776 15255901209720 20341201612960 30511802419440 61023604838880