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2123313020100 = 2232522647891287
BaseRepresentation
bin11110111001011111010…
…100010111110011000100
321111222122100001022122200
4132321133110113303010
5234242021113120400
64303234142554500
7306255450611136
oct36713724276304
97458570038580
102123313020100
11749545932a48
122a3619298a30
131252c5c3c15c
1474aa9c01056
153a373c58b00
hex1ee5f517cc4

2123313020100 has 108 divisors (see below), whose sum is σ = 6657928490304. Its totient is φ = 566002261440.

The previous prime is 2123313020077. The next prime is 2123313020111. The reversal of 2123313020100 is 10203133212.

2123313020100 is a `hidden beast` number, since 21 + 2 + 331 + 302 + 0 + 10 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1936657 + ... + 2827943.

Almost surely, 22123313020100 is an apocalyptic number.

2123313020100 is a gapful number since it is divisible by the number (20) 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 2123313020100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3328964245152).

2123313020100 is an abundant number, since it is smaller than the sum of its proper divisors (4534615470204).

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

2123313020100 is a wasteful number, since it uses less digits than its factorization.

2123313020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893954 (or 893944 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2123313020100 its reverse (10203133212), we get a palindrome (2133516153312).

The spelling of 2123313020100 in words is "two trillion, one hundred twenty-three billion, three hundred thirteen million, twenty thousand, one hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 150 180 225 300 450 900 2647 5294 7941 10588 13235 15882 23823 26470 31764 39705 47646 52940 66175 79410 95292 119115 132350 158820 198525 238230 264700 397050 476460 595575 794100 891287 1191150 1782574 2382300 2673861 3565148 4456435 5347722 8021583 8912870 10695444 13369305 16043166 17825740 22282175 26738610 32086332 40107915 44564350 53477220 66846525 80215830 89128700 133693050 160431660 200539575 267386100 401079150 802158300 2359236689 4718473378 7077710067 9436946756 11796183445 14155420134 21233130201 23592366890 28310840268 35388550335 42466260402 47184733780 58980917225 70777100670 84932520804 106165651005 117961834450 141554201340 176942751675 212331302010 235923668900 353885503350 424662604020 530828255025 707771006700 1061656510050 2123313020100