Search a number
-
+
51086536122167 = 7133771223967991
BaseRepresentation
bin10111001110110100000101…
…10101101001111100110111
320200212211021112120011122122
423213122002311221330313
523144000211221402132
6300352455233150155
713521610663161410
oct1347320265517467
9220784245504578
1051086536122167
11153067508aa417
125890ab56bb35b
132267593cb0c20
14c8885c8b4807
155d8d285cd912
hex2e7682d69f37

51086536122167 has 128 divisors (see below), whose sum is σ = 65912709316608. Its totient is φ = 38521069171200.

The previous prime is 51086536122161. The next prime is 51086536122179. The reversal of 51086536122167 is 76122163568015.

It is a happy number.

It is not a de Polignac number, because 51086536122167 - 24 = 51086536122151 is a prime.

It is a super-2 number, since 2×510865361221672 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51086536122161) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 51550490042 + ... + 51550491032.

It is an arithmetic number, because the mean of its divisors is an integer number (514943041536).

Almost surely, 251086536122167 is an apocalyptic number.

51086536122167 is a deficient number, since it is larger than the sum of its proper divisors (14826173194441).

51086536122167 is a wasteful number, since it uses less digits than its factorization.

51086536122167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 51086536122167 in words is "fifty-one trillion, eighty-six billion, five hundred thirty-six million, one hundred twenty-two thousand, one hundred sixty-seven".

Divisors: 1 7 13 37 71 91 223 259 481 497 923 967 991 1561 2627 2899 3367 6461 6769 6937 8251 12571 12883 15833 18389 20293 34151 35779 36667 57757 68657 70361 87997 90181 107263 110831 205829 215641 220993 239057 250453 256669 465127 476671 480599 492527 585821 750841 892541 914693 958297 1440803 1509487 1546951 2540309 2603357 2803333 2872909 3255889 3336697 4100747 6247787 6402851 6708079 7615673 7978717 8176741 12457861 15310511 15690503 17782163 18223499 19623331 20110363 33024017 33843641 35456989 53309711 55851019 57237187 68039087 87205027 103723321 106297633 107173577 109833521 199036643 203976539 213700231 231168119 236905487 248198923 460940857 476273609 566488907 580548611 726063247 744083431 884508131 1393256501 1427835773 1495901617 2517446219 2778103003 3226585999 3965422349 4063840277 6191556917 7364355791 7547131943 7906908547 15172716401 17622123533 19446721021 32726800847 51550490537 52829923601 55348359829 102789811111 106209014807 197245313213 229087605929 561390506837 719528677777 1380717192491 3929733547859 7298076588881 51086536122167