Search a number
-
+
61932794911 = 131710916315773
BaseRepresentation
bin111001101011011110…
…110111010000011111
312220212012110221220221
4321223132313100133
52003314243414121
644241310422211
74321516033201
oct715336672037
9186765427827
1061932794911
11242a14a2529
1210005201967
135ac0003c10
142dd7456771
15192728cb41
hexe6b7b741f

61932794911 has 32 divisors (see below), whose sum is σ = 71709865920. Its totient is φ = 52981807104.

The previous prime is 61932794897. The next prime is 61932794921. The reversal of 61932794911 is 11949723916.

It is a cyclic number.

It is not a de Polignac number, because 61932794911 - 25 = 61932794879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61932794921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3918621 + ... + 3934393.

It is an arithmetic number, because the mean of its divisors is an integer number (2240933310).

Almost surely, 261932794911 is an apocalyptic number.

61932794911 is a deficient number, since it is larger than the sum of its proper divisors (9777071009).

61932794911 is a wasteful number, since it uses less digits than its factorization.

61932794911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16075.

The product of its digits is 734832, while the sum is 52.

The spelling of 61932794911 in words is "sixty-one billion, nine hundred thirty-two million, seven hundred ninety-four thousand, nine hundred eleven".

Divisors: 1 13 17 109 163 221 1417 1853 2119 2771 15773 17767 24089 36023 205049 230971 268141 302039 1719257 2570999 3485833 3926507 22350341 29227369 33422987 43706983 280238891 379955797 568190779 3643105583 4764061147 61932794911