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68274700110 = 23251772761381
BaseRepresentation
bin111111100101011111…
…010011111101001110
320112020011220010100200
4333211133103331032
52104311310400420
651210455434330
74634624242551
oct774537237516
9215204803320
1068274700110
1126a563197a1
12112950859a6
136590b80546
143439826698
151b98e10b90
hexfe57d3f4e

68274700110 has 96 divisors (see below), whose sum is σ = 188217836352. Its totient is φ = 17111761920.

The previous prime is 68274700097. The next prime is 68274700141. The reversal of 68274700110 is 1100747286.

It is a super-2 number, since 2×682747001102 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1081620 + ... + 1143000.

It is an arithmetic number, because the mean of its divisors is an integer number (1960602462).

Almost surely, 268274700110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68274700110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94108918176).

68274700110 is an abundant number, since it is smaller than the sum of its proper divisors (119943136242).

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

68274700110 is a wasteful number, since it uses less digits than its factorization.

68274700110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62138 (or 62135 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The spelling of 68274700110 in words is "sixty-eight billion, two hundred seventy-four million, seven hundred thousand, one hundred ten".

Divisors: 1 2 3 5 6 9 10 15 17 18 30 34 45 51 85 90 102 153 170 255 306 510 727 765 1454 1530 2181 3635 4362 6543 7270 10905 12359 13086 21810 24718 32715 37077 61381 61795 65430 74154 111231 122762 123590 184143 185385 222462 306905 368286 370770 552429 556155 613810 920715 1043477 1104858 1112310 1841430 2086954 2762145 3130431 5217385 5524290 6260862 9391293 10434770 15652155 18782586 31304310 44623987 46956465 89247974 93912930 133871961 223119935 267743922 401615883 446239870 669359805 758607779 803231766 1338719610 1517215558 2008079415 2275823337 3793038895 4016158830 4551646674 6827470011 7586077790 11379116685 13654940022 22758233370 34137350055 68274700110