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51442221053301 = 31311356569206347
BaseRepresentation
bin10111011001001010100110…
…10011111111010101110101
320202010211100211111210110120
423230211103103333111311
523220312132042201201
6301224121411442153
713556402123205051
oct1354452323772565
9222124324453416
1051442221053301
1115433583763661
125929a1b8b6359
132291c995a2710
14c9bb6137cc61
155e31e4781536
hex2ec9534ff575

51442221053301 has 32 divisors (see below), whose sum is σ = 74521111002240. Its totient is φ = 31375896459264.

The previous prime is 51442221053291. The next prime is 51442221053347. The reversal of 51442221053301 is 10335012224415.

It is not a de Polignac number, because 51442221053301 - 222 = 51442216858997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51442221051301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 249196410 + ... + 249402756.

It is an arithmetic number, because the mean of its divisors is an integer number (2328784718820).

Almost surely, 251442221053301 is an apocalyptic number.

It is an amenable number.

51442221053301 is a deficient number, since it is larger than the sum of its proper divisors (23078889948939).

51442221053301 is a wasteful number, since it uses less digits than its factorization.

51442221053301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263045.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 51442221053301 its reverse (10335012224415), we get a palindrome (61777233277716).

The spelling of 51442221053301 in words is "fifty-one trillion, four hundred forty-two billion, two hundred twenty-one million, fifty-three thousand, three hundred one".

Divisors: 1 3 13 39 113 339 1469 4407 56569 169707 206347 619041 735397 2206191 2682511 6392297 8047533 19176891 23317211 69951633 83099861 249299583 303123743 909371229 11672843443 35018530329 151746964759 455240894277 1319031309059 3957093927177 17147407017767 51442221053301