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51061501103001 = 3311136247777787
BaseRepresentation
bin10111001110000101011101…
…01000101000101110011001
320200210102122210202102120120
423213002232220220232121
523143042423240244001
6300333155121543453
713520033412055344
oct1347025650505631
9220712583672516
1051061501103001
11152a7074224a34
1258880894a4b89
13226510443600c
14c87565a1345b
155d83607e0236
hex2e70aea28b99

51061501103001 has 32 divisors (see below), whose sum is σ = 70911566635008. Its totient is φ = 32646105112320.

The previous prime is 51061501102903. The next prime is 51061501103029. The reversal of 51061501103001 is 10030110516015.

It is a happy number.

51061501103001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51061501103001 - 29 = 51061501102489 is a prime.

It is a super-2 number, since 2×510615011030012 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51061501103051) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 65260830 + ... + 66038616.

It is an arithmetic number, because the mean of its divisors is an integer number (2215986457344).

Almost surely, 251061501103001 is an apocalyptic number.

It is an amenable number.

51061501103001 is a deficient number, since it is larger than the sum of its proper divisors (19850065532007).

51061501103001 is a wasteful number, since it uses less digits than its factorization.

51061501103001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784181.

The product of its (nonzero) digits is 450, while the sum is 24.

Adding to 51061501103001 its reverse (10030110516015), we get a palindrome (61091611619016).

The spelling of 51061501103001 in words is "fifty-one trillion, sixty-one billion, five hundred one million, one hundred three thousand, one".

Divisors: 1 3 31 93 113 339 3503 6247 10509 18741 193657 580971 705911 777787 2117733 2333361 21883241 24111397 65649723 72334191 87889931 263669793 2724587861 4858835389 8173763583 14576506167 150623897059 451871691177 549048398957 1647145196871 17020500367667 51061501103001