Search a number
-
+
84761084644397 = 7611575231260157
BaseRepresentation
bin10011010001011011111010…
…010101110100110000101101
3102010010002011201120120102222
4103101123322111310300231
542102211200132110042
6500134412115525125
723565533456634320
oct2321337225646055
9363102151516388
1084761084644397
1125009a79623897
12960b3238b97a5
13383ac2248a285
1416d065bb507b7
159bec6c5502d2
hex4d16fa574c2d

84761084644397 has 16 divisors (see below), whose sum is σ = 98458543880832. Its totient is φ = 71460825635520.

The previous prime is 84761084644349. The next prime is 84761084644471. The reversal of 84761084644397 is 79344648016748.

It is a cyclic number.

It is not a de Polignac number, because 84761084644397 - 234 = 84743904775213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84761084644397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84761084643397) 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, 66632243 + ... + 67892399.

It is an arithmetic number, because the mean of its divisors is an integer number (6153658992552).

Almost surely, 284761084644397 is an apocalyptic number.

It is an amenable number.

84761084644397 is a deficient number, since it is larger than the sum of its proper divisors (13697459236435).

84761084644397 is a wasteful number, since it uses less digits than its factorization.

84761084644397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417748.

The product of its (nonzero) digits is 780337152, while the sum is 71.

The spelling of 84761084644397 in words is "eighty-four trillion, seven hundred sixty-one billion, eighty-four million, six hundred forty-four thousand, three hundred ninety-seven".

Divisors: 1 7 61 427 157523 1102661 1260157 8821099 9608903 67262321 76869577 538087039 198503711111 1389525977777 12108726377771 84761084644397