Search a number
-
+
51021740106232 = 23723119121982351
BaseRepresentation
bin10111001100111011011001…
…01100011110000111111000
320200122122000210102111212121
423212131230230132013320
523141420010431344412
6300303021441451024
713514125166136100
oct1346355454360770
9220578023374777
1051021740106232
1115291220179625
125880431640a74
132261438a459ac
14c8567309c200
155d72d4cb9107
hex2e676cb1e1f8

51021740106232 has 96 divisors (see below), whose sum is σ = 115475932938240. Its totient is φ = 21050298360000.

The previous prime is 51021740106217. The next prime is 51021740106269. The reversal of 51021740106232 is 23260104712015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8670144 + ... + 13312207.

It is an arithmetic number, because the mean of its divisors is an integer number (1202874301440).

Almost surely, 251021740106232 is an apocalyptic number.

It is an amenable number.

51021740106232 is an abundant number, since it is smaller than the sum of its proper divisors (64454192832008).

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

51021740106232 is a wasteful number, since it uses less digits than its factorization.

51021740106232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21982593 (or 21982582 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

Adding to 51021740106232 its reverse (23260104712015), we get a palindrome (74281844818247).

The spelling of 51021740106232 in words is "fifty-one trillion, twenty-one billion, seven hundred forty million, one hundred six thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 31 49 56 62 98 124 191 196 217 248 382 392 434 764 868 1337 1519 1528 1736 2674 3038 5348 5921 6076 9359 10696 11842 12152 18718 23684 37436 41447 47368 74872 82894 165788 290129 331576 580258 1160516 2321032 21982351 43964702 87929404 153876457 175858808 307752914 615505828 681452881 1077135199 1231011656 1362905762 2154270398 2725811524 4198629041 4308540796 4770170167 5451623048 8397258082 8617081592 9540340334 16794516164 19080680668 29390403287 33391191169 33589032328 38161361336 58780806574 66782382338 117561613148 130157500271 133564764676 205732823009 235123226296 260315000542 267129529352 411465646018 520630001084 822931292036 911102501897 1041260002168 1645862584072 1822205003794 3644410007588 6377717513279 7288820015176 12755435026558 25510870053116 51021740106232