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51334123123422 = 23413911631960183
BaseRepresentation
bin10111010110000001010000…
…01011000111001011011110
320201202111100022011222210000
423223000220023013023132
523212024241004422142
6301102323125555130
713545524266025406
oct1353005013071336
9221674308158700
1051334123123422
11153a1752252a27
125910a91b75aa6
132284a301826b9
14c96828a41806
155e04b965514c
hex2eb0282c72de

51334123123422 has 80 divisors (see below), whose sum is σ = 115953665224320. Its totient is φ = 16973655018768.

The previous prime is 51334123123399. The next prime is 51334123123427. The reversal of 51334123123422 is 22432132143315.

51334123123422 is a `hidden beast` number, since 5 + 1 + 3 + 3 + 412 + 3 + 1 + 234 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51334123123427) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 25208343 + ... + 27168525.

It is an arithmetic number, because the mean of its divisors is an integer number (1449420815304).

Almost surely, 251334123123422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51334123123422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57976832612160).

51334123123422 is an abundant number, since it is smaller than the sum of its proper divisors (64619542100898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51334123123422 is a wasteful number, since it uses less digits than its factorization.

51334123123422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961499 (or 1961490 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

Adding to 51334123123422 its reverse (22432132143315), we get a palindrome (73766255266737).

The spelling of 51334123123422 in words is "fifty-one trillion, three hundred thirty-four billion, one hundred twenty-three million, one hundred twenty-three thousand, four hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 54 81 139 162 278 417 834 1163 1251 2326 2502 3489 3753 6978 7506 10467 11259 20934 22518 31401 62802 94203 161657 188406 323314 484971 969942 1454913 1960183 2909826 3920366 4364739 5880549 8729478 11761098 13094217 17641647 26188434 35283294 52924941 105849882 158774823 272465437 317549646 544930874 817396311 1634792622 2279692829 2452188933 4559385658 4904377866 6839078487 7356566799 13678156974 14713133598 20517235461 22069700397 41034470922 44139400794 61551706383 123103412766 184655119149 316877303231 369310238298 633754606462 950631909693 1901263819386 2851895729079 5703791458158 8555687187237 17111374374474 25667061561711 51334123123422