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142321023512465 = 5731113074967709
BaseRepresentation
bin100000010111000010110010…
…000011001110111110010001
3200122220202102211110111201012
4200113002302003032332101
5122123241424004344330
61222405213044020305
741656232431442660
oct4027026203167621
9618822384414635
10142321023512465
1141391009520416
1213b66926991695
136154a7952b575
1427205350b2dd7
15116c16a6bbc95
hex8170b20cef91

142321023512465 has 16 divisors (see below), whose sum is σ = 195810716424960. Its totient is φ = 97277759747520.

The previous prime is 142321023512429. The next prime is 142321023512489. The reversal of 142321023512465 is 564215320123241.

It is not a de Polignac number, because 142321023512465 - 218 = 142321023250321 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6537472970 + ... + 6537494739.

It is an arithmetic number, because the mean of its divisors is an integer number (12238169776560).

Almost surely, 2142321023512465 is an apocalyptic number.

It is an amenable number.

142321023512465 is a deficient number, since it is larger than the sum of its proper divisors (53489692912495).

142321023512465 is a wasteful number, since it uses less digits than its factorization.

142321023512465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13074968032.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 142321023512465 in words is "one hundred forty-two trillion, three hundred twenty-one billion, twenty-three million, five hundred twelve thousand, four hundred sixty-five".

Divisors: 1 5 7 35 311 1555 2177 10885 13074967709 65374838545 91524773963 457623869815 4066314957499 20331574787495 28464204702493 142321023512465