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142321553240405 = 57112171976825519
BaseRepresentation
bin100000010111000011010001…
…100111111111000101010101
3200122220210210202020110211112
4200113003101213333011111
5122123244020112143110
61222405341405544405
741656251523163210
oct4027032147770525
9618823722213745
10142321553240405
1141391260541900
1213b66a54275105
136154b321c1856
1427205855a6777
15116c19be58405
hex8170d19ff155

142321553240405 has 48 divisors (see below), whose sum is σ = 227160974154240. Its totient is φ = 83501109880320.

The previous prime is 142321553240281. The next prime is 142321553240497. The reversal of 142321553240405 is 504042355123241.

142321553240405 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 142321553240405 - 218 = 142321552978261 is a prime.

It is a super-2 number, since 2×1423215532404052 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 988340765 + ... + 988484754.

It is an arithmetic number, because the mean of its divisors is an integer number (4732520294880).

Almost surely, 2142321553240405 is an apocalyptic number.

It is an amenable number.

142321553240405 is a deficient number, since it is larger than the sum of its proper divisors (84839420913835).

142321553240405 is a wasteful number, since it uses less digits than its factorization.

142321553240405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976825570 (or 1976825559 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 142321553240405 in words is "one hundred forty-two trillion, three hundred twenty-one billion, five hundred fifty-three million, two hundred forty thousand, four hundred five".

Divisors: 1 5 7 11 17 35 55 77 85 119 121 187 385 595 605 847 935 1309 2057 4235 6545 10285 14399 71995 1976825519 9884127595 13837778633 21745080709 33606033823 69188893165 108725403545 152215564963 168030169115 235242236761 239195887799 369666372053 761077824815 1176211183805 1195979438995 1674371214593 1848331860265 2587664604371 4066330092583 8371856072965 12938323021855 20331650462915 28464310648081 142321553240405