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2121211112038 = 28312778380193
BaseRepresentation
bin11110110111100010000…
…010001110101001100110
321111210012211221022211221
4132313202002032221212
5234223220021041123
64302245415450554
7306152405646244
oct36674202165146
97453184838757
102121211112038
11748667411347
122a3131386a5a
1312504c633985
147494a9b9794
153a29e46625d
hex1ede208ea66

2121211112038 has 8 divisors (see below), whose sum is σ = 3220151808888. Its totient is φ = 1047827175744.

The previous prime is 2121211111979. The next prime is 2121211112039. The reversal of 2121211112038 is 8302111121212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121211112039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6389189931 + ... + 6389190262.

It is an arithmetic number, because the mean of its divisors is an integer number (402518976111).

Almost surely, 22121211112038 is an apocalyptic number.

2121211112038 is a deficient number, since it is larger than the sum of its proper divisors (1098940696850).

2121211112038 is a wasteful number, since it uses less digits than its factorization.

2121211112038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12778380278.

The product of its (nonzero) digits is 384, while the sum is 25.

The spelling of 2121211112038 in words is "two trillion, one hundred twenty-one billion, two hundred eleven million, one hundred twelve thousand, thirty-eight".

Divisors: 1 2 83 166 12778380193 25556760386 1060605556019 2121211112038