Search a number
-
+
210223196955 = 3254671626599
BaseRepresentation
bin1100001111001001000…
…1110110101100011011
3202002121211000220021200
43003302101312230123
511421014114300310
6240324124405243
721121345455642
oct3036221665433
9662554026250
10210223196955
1181178572402
12348ab3a6823
1316a93326245
14a263b44359
155705c1e9c0
hex30f2476b1b

210223196955 has 12 divisors (see below), whose sum is σ = 364386874800. Its totient is φ = 112119038352.

The previous prime is 210223196921. The next prime is 210223196971. The reversal of 210223196955 is 559691322012.

It is not a de Polignac number, because 210223196955 - 28 = 210223196699 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 4671626599 = 210223196955 / (2 + 1 + 0 + 2 + 2 + 3 + 1 + 9 + 6 + 9 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 210223196955.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2335813255 + ... + 2335813344.

It is an arithmetic number, because the mean of its divisors is an integer number (30365572900).

Almost surely, 2210223196955 is an apocalyptic number.

210223196955 is a deficient number, since it is larger than the sum of its proper divisors (154163677845).

210223196955 is a wasteful number, since it uses less digits than its factorization.

210223196955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4671626610 (or 4671626607 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The spelling of 210223196955 in words is "two hundred ten billion, two hundred twenty-three million, one hundred ninety-six thousand, nine hundred fifty-five".

Divisors: 1 3 5 9 15 45 4671626599 14014879797 23358132995 42044639391 70074398985 210223196955