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761242363242121 = 19247193916208081
BaseRepresentation
bin1010110100010110001000110…
…0101001100010011010001001
310200211100001121011020000012001
42231011202030221202122021
51244234143324442221441
611255005525221351001
7316225642260035545
oct25505421451423211
93624301534200161
10761242363242121
11200612089559112
1271465a53268461
132689bb01657007
14d5da4812c0a25
155d019da427731
hex2b4588ca62689

761242363242121 has 8 divisors (see below), whose sum is σ = 801308124381600. Its totient is φ = 721176639462720.

The previous prime is 761242363242013. The next prime is 761242363242133. The reversal of 761242363242121 is 121242363242167.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 761242363242121 - 215 = 761242363209353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (761242363242421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38862801 + ... + 55070881.

It is an arithmetic number, because the mean of its divisors is an integer number (100163515547700).

Almost surely, 2761242363242121 is an apocalyptic number.

It is an amenable number.

761242363242121 is a deficient number, since it is larger than the sum of its proper divisors (40065761139479).

761242363242121 is a wasteful number, since it uses less digits than its factorization.

761242363242121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18680039.

The product of its digits is 1161216, while the sum is 46.

Adding to 761242363242121 its sum of digits (46), we get a palindrome (761242363242167).

The spelling of 761242363242121 in words is "seven hundred sixty-one trillion, two hundred forty-two billion, three hundred sixty-three million, two hundred forty-two thousand, one hundred twenty-one".

Divisors: 1 19 2471939 16208081 46966841 307953539 40065387539059 761242363242121