Search a number
-
+
51122748627712 = 281491340256623
BaseRepresentation
bin10111001111110111100010…
…10001011001101100000000
320201000021202020210001111201
423213323301101121230000
523200043342122041322
6300421244432550544
713524332240326336
oct1347736121315400
9221007666701451
1051122748627712
1115320043918853
125897b210b2454
13226ab154871b8
14c8a4d6047b56
155d9c47819d27
hex2e7ef1459b00

51122748627712 has 36 divisors (see below), whose sum is σ = 102730670229600. Its totient is φ = 25389821447168.

The previous prime is 51122748627689. The next prime is 51122748627737. The reversal of 51122748627712 is 21772684722115.

51122748627712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×511227486277123 (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 670090168 + ... + 670166455.

It is an arithmetic number, because the mean of its divisors is an integer number (2853629728600).

Almost surely, 251122748627712 is an apocalyptic number.

It is an amenable number.

51122748627712 is an abundant number, since it is smaller than the sum of its proper divisors (51607921601888).

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

51122748627712 is a wasteful number, since it uses less digits than its factorization.

51122748627712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340256788 (or 1340256774 counting only the distinct ones).

The product of its digits is 5268480, while the sum is 55.

The spelling of 51122748627712 in words is "fifty-one trillion, one hundred twenty-two billion, seven hundred forty-eight million, six hundred twenty-seven thousand, seven hundred twelve".

Divisors: 1 2 4 8 16 32 64 128 149 256 298 596 1192 2384 4768 9536 19072 38144 1340256623 2680513246 5361026492 10722052984 21444105968 42888211936 85776423872 171552847744 199698236827 343105695488 399396473654 798792947308 1597585894616 3195171789232 6390343578464 12780687156928 25561374313856 51122748627712