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142321155053934 = 23231137441274139
BaseRepresentation
bin100000010111000010111001…
…111001000001100101101110
3200122220202202222222111200110
4200113002321321001211232
5122123242211143211214
61222405234103240450
741656235616513543
oct4027027171014556
9618822688874613
10142321155053934
11413910767a547a
1213b66962a49126
136154a9a86685c
142720548754bca
15116c177002159
hex8170b9e4196e

142321155053934 has 32 divisors (see below), whose sum is σ = 284774123070720. Its totient is φ = 47418417446400.

The previous prime is 142321155053933. The next prime is 142321155054037. The reversal of 142321155053934 is 439350551123241.

It is a happy number.

It is a super-2 number, since 2×1423211550539342 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142321155053933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519019837 + ... + 519293975.

It is an arithmetic number, because the mean of its divisors is an integer number (8899191345960).

Almost surely, 2142321155053934 is an apocalyptic number.

142321155053934 is an abundant number, since it is smaller than the sum of its proper divisors (142452968016786).

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

142321155053934 is a wasteful number, since it uses less digits than its factorization.

142321155053934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313896.

The product of its (nonzero) digits is 1944000, while the sum is 48.

The spelling of 142321155053934 in words is "one hundred forty-two trillion, three hundred twenty-one billion, one hundred fifty-five million, fifty-three thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 2311 4622 6933 13866 37441 74882 112323 224646 274139 548278 822417 1644834 86526151 173052302 259578453 519156906 633535229 1267070458 1900605687 3801211374 10264038299 20528076598 30792114897 61584229794 23720192508989 47440385017978 71160577526967 142321155053934