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12101100340 = 2257471839073
BaseRepresentation
bin10110100010100100…
…00010001100110100
31011020100100120221111
423101102002030310
5144240340202330
65320440324404
7605606440630
oct132122021464
934210316844
1012101100340
11514a83487a
122418773704
1311ab0a2104
1482b217dc0
154ac59132a
hex2d1482334

12101100340 has 48 divisors (see below), whose sum is σ = 29660585472. Its totient is φ = 4060670976.

The previous prime is 12101100313. The next prime is 12101100353. The reversal of 12101100340 is 4300110121.

It is a self number, because there is not a number n which added to its sum of digits gives 12101100340.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 912957 + ... + 926116.

It is an arithmetic number, because the mean of its divisors is an integer number (617928864).

Almost surely, 212101100340 is an apocalyptic number.

12101100340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101100340 is an abundant number, since it is smaller than the sum of its proper divisors (17559485132).

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

12101100340 is a wasteful number, since it uses less digits than its factorization.

12101100340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839136 (or 1839134 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12101100340 its reverse (4300110121), we get a palindrome (16401210461).

The spelling of 12101100340 in words is "twelve billion, one hundred one million, one hundred thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 47 70 94 140 188 235 329 470 658 940 1316 1645 3290 6580 1839073 3678146 7356292 9195365 12873511 18390730 25747022 36781460 51494044 64367555 86436431 128735110 172872862 257470220 345745724 432182155 605055017 864364310 1210110034 1728728620 2420220068 3025275085 6050550170 12101100340