Search a number
-
+
51053854401 = 321124121672
BaseRepresentation
bin101111100011000010…
…111111111011000001
311212210000211112002100
4233203002333323001
51314024241320101
635242005141013
73455106413364
oct574302777301
9155700745070
1051053854401
111a71962a500
129a899ba769
134a781b4804
14268469a0db
1514dc162e86
hexbe30bfec1

51053854401 has 81 divisors (see below), whose sum is σ = 83583682819. Its totient is φ = 30006292800.

The previous prime is 51053854393. The next prime is 51053854421. The reversal of 51053854401 is 10445835015.

The square root of 51053854401 is 225951.

It is a perfect power (a square), and thus also a powerful number.

51053854401 is a `hidden beast` number, since 5 + 105 + 3 + 8 + 544 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2460060801 + 48593793600 = 49599^2 + 220440^2 .

It is not a de Polignac number, because 51053854401 - 23 = 51053854393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51053854421) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 305711620 + ... + 305711786.

Almost surely, 251053854401 is an apocalyptic number.

51053854401 is the 225951-st square number.

51053854401 is the 112976-th centered octagonal number.

It is an amenable number.

51053854401 is a deficient number, since it is larger than the sum of its proper divisors (32529828418).

51053854401 is a wasteful number, since it uses less digits than its factorization.

51053854401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

Multiplying 51053854401 by its sum of digits (36), we get a square (1837938758436 = 13557062).

The spelling of 51053854401 in words is "fifty-one billion, fifty-three million, eight hundred fifty-four thousand, four hundred one".

Divisors: 1 3 9 11 33 41 99 121 123 167 363 369 451 501 1089 1353 1503 1681 1837 4059 4961 5043 5511 6847 14883 15129 16533 18491 20207 20541 27889 44649 55473 60621 61623 75317 83667 166419 181863 203401 225951 251001 280727 306779 610203 677853 828487 842181 920337 1143449 1830609 2485461 2526543 2761011 3087997 3374569 3430347 7456383 9263991 10123707 10291041 12577939 27791973 30371121 33967967 37733817 46881409 101903901 113201451 138357329 140644227 305711703 415071987 421932681 515695499 1245215961 1547086497 4641259491 5672650489 17017951467 51053854401