Search a number
-
+
23074781976 = 23324710763727
BaseRepresentation
bin10101011111010111…
…010011101100011000
32012120010021101011200
4111133113103230120
5334224121010401
614333404354200
71444546260561
oct253727235430
965503241150
1023074781976
119871127254
12457b845960
13223971345c
14118c7d7168
15900b82686
hex55f5d3b18

23074781976 has 96 divisors (see below), whose sum is σ = 64421360640. Its totient is φ = 7457471424.

The previous prime is 23074781969. The next prime is 23074782037. The reversal of 23074781976 is 67918747032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 330225 + ... + 393951.

It is an arithmetic number, because the mean of its divisors is an integer number (671055840).

Almost surely, 223074781976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23074781976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32210680320).

23074781976 is an abundant number, since it is smaller than the sum of its proper divisors (41346578664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23074781976 is a wasteful number, since it uses less digits than its factorization.

23074781976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63893 (or 63886 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The spelling of 23074781976 in words is "twenty-three billion, seventy-four million, seven hundred eighty-one thousand, nine hundred seventy-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 47 72 94 107 141 188 214 282 321 376 423 428 564 642 846 856 963 1128 1284 1692 1926 2568 3384 3852 5029 7704 10058 15087 20116 30174 40232 45261 60348 63727 90522 120696 127454 181044 191181 254908 362088 382362 509816 573543 764724 1147086 1529448 2294172 2995169 4588344 5990338 6818789 8985507 11980676 13637578 17971014 20456367 23961352 26956521 27275156 35942028 40912734 53913042 54550312 61369101 71884056 81825468 107826084 122738202 163650936 215652168 245476404 320483083 490952808 640966166 961449249 1281932332 1922898498 2563864664 2884347747 3845796996 5768695494 7691593992 11537390988 23074781976