Search a number
-
+
211421370379 = 4991300932569
BaseRepresentation
bin1100010011100110110…
…0100001100000001011
3202012201022121102020011
43010321230201200023
511430442332323004
6241043045412351
721163134665632
oct3047154414013
9665638542204
10211421370379
118173294087a
1234b8470a0b7
1316c2462b1bb
14a338d1a519
155775ee9004
hex3139b2180b

211421370379 has 8 divisors (see below), whose sum is σ = 211867850000. Its totient is φ = 210974982912.

The previous prime is 211421370373. The next prime is 211421370397. The reversal of 211421370379 is 973073124112.

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

It is a cyclic number.

It is not a de Polignac number, because 211421370379 - 221 = 211419273227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211421370373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6475207 + ... + 6507775.

It is an arithmetic number, because the mean of its divisors is an integer number (26483481250).

Almost surely, 2211421370379 is an apocalyptic number.

211421370379 is a deficient number, since it is larger than the sum of its proper divisors (446479621).

211421370379 is a wasteful number, since it uses less digits than its factorization.

211421370379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46077.

The product of its (nonzero) digits is 63504, while the sum is 40.

The spelling of 211421370379 in words is "two hundred eleven billion, four hundred twenty-one million, three hundred seventy thousand, three hundred seventy-nine".

Divisors: 1 499 13009 32569 6491491 16251931 423690121 211421370379