Search a number
-
+
421365630770 = 25719930248789
BaseRepresentation
bin1100010000110110101…
…10010100011100110010
31111021121200202212110222
412020123112110130302
523400424100141040
6521323411453042
742304555523510
oct6103326243462
91437550685428
10421365630770
11152777a05a97
12697b65b7182
1330971c1cb06
14165739b14b0
15ae624babb5
hex621b594732

421365630770 has 32 divisors (see below), whose sum is σ = 871165152000. Its totient is φ = 143742240576.

The previous prime is 421365630739. The next prime is 421365630779. The reversal of 421365630770 is 77036563124.

It is not an unprimeable number, because it can be changed into a prime (421365630779) 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, 15110465 + ... + 15138324.

It is an arithmetic number, because the mean of its divisors is an integer number (27223911000).

Almost surely, 2421365630770 is an apocalyptic number.

421365630770 is an abundant number, since it is smaller than the sum of its proper divisors (449799521230).

421365630770 is a wasteful number, since it uses less digits than its factorization.

421365630770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30249002.

The product of its (nonzero) digits is 635040, while the sum is 44.

The spelling of 421365630770 in words is "four hundred twenty-one billion, three hundred sixty-five million, six hundred thirty thousand, seven hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 199 398 995 1393 1990 2786 6965 13930 30248789 60497578 151243945 211741523 302487890 423483046 1058707615 2117415230 6019509011 12039018022 30097545055 42136563077 60195090110 84273126154 210682815385 421365630770