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31227743775004 = 227171092689223829
BaseRepresentation
bin1110001100110110001101…
…00100110010100100011100
311002120100021011012122222221
413012123012210302210130
513043113404401300004
6150225454421115124
76402062413316530
oct706330644624434
9132510234178887
1031227743775004
119a4a680289a17
123604190258aa4
1314569c0832a6a
1479d606407bc0
1539248a4b7354
hex1c66c693291c

31227743775004 has 96 divisors (see below), whose sum is σ = 66761147376000. Its totient is φ = 12475807432704.

The previous prime is 31227743774971. The next prime is 31227743775013. The reversal of 31227743775004 is 40057734772213.

It is a happy number.

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, 139404162 + ... + 139627990.

It is an arithmetic number, because the mean of its divisors is an integer number (695428618500).

Almost surely, 231227743775004 is an apocalyptic number.

31227743775004 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31227743775004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33380573688000).

31227743775004 is an abundant number, since it is smaller than the sum of its proper divisors (35533403600996).

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

31227743775004 is a wasteful number, since it uses less digits than its factorization.

31227743775004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226655 (or 226653 counting only the distinct ones).

The product of its (nonzero) digits is 6914880, while the sum is 52.

The spelling of 31227743775004 in words is "thirty-one trillion, two hundred twenty-seven billion, seven hundred forty-three million, seven hundred seventy-five thousand, four".

Divisors: 1 2 4 7 14 17 28 34 68 109 119 218 238 436 476 763 1526 1853 2689 3052 3706 5378 7412 10756 12971 18823 25942 37646 45713 51884 75292 91426 182852 223829 293101 319991 447658 586202 639982 895316 1172404 1279964 1566803 2051707 3133606 3805093 4103414 4982717 6267212 7610186 8206828 9965434 15220372 19930868 24397361 26635651 34879019 48794722 53271302 69758038 97589444 106542604 139516076 170781527 341563054 414755137 601876181 683126108 829510274 1203752362 1659020548 2407504724 2903285959 4213133267 5806571918 8426266534 10231895077 11613143836 16852533068 20463790154 40927580308 65604503729 71623265539 131209007458 143246531078 262418014916 286493062156 459231526103 918463052206 1115276563393 1836926104412 2230553126786 4461106253572 7806935943751 15613871887502 31227743775004