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2123112020030 = 25523747754293
BaseRepresentation
bin11110111001010011010…
…101100111100000111110
321111222010022211110101122
4132321103111213200332
5234241113134120110
64303202202510542
7306250460260121
oct36712325474076
97458108743348
102123112020030
11749452427691
122a3581b05452
131252933c48c1
1474a8b23c3b8
153a3612a3255
hex1ee5356783e

2123112020030 has 32 divisors (see below), whose sum is σ = 3829491337824. Its totient is φ = 847492039296.

The previous prime is 2123112020021. The next prime is 2123112020033. The reversal of 2123112020030 is 300202113212.

It is a junction number, because it is equal to n+sod(n) for n = 2123112019990 and 2123112020008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123112020033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39077564 + ... + 39131856.

It is an arithmetic number, because the mean of its divisors is an integer number (119671604307).

Almost surely, 22123112020030 is an apocalyptic number.

2123112020030 is a deficient number, since it is larger than the sum of its proper divisors (1706379317794).

2123112020030 is a wasteful number, since it uses less digits than its factorization.

2123112020030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62300.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2123112020030 its reverse (300202113212), we get a palindrome (2423314133242).

The spelling of 2123112020030 in words is "two trillion, one hundred twenty-three billion, one hundred twelve million, twenty thousand, thirty".

Divisors: 1 2 5 10 523 1046 2615 5230 7477 14954 37385 54293 74770 108586 271465 542930 3910471 7820942 19552355 28395239 39104710 56790478 141976195 283952390 405948761 811897522 2029743805 4059487610 212311202003 424622404006 1061556010015 2123112020030