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142406151311430 = 23255338217813279
BaseRepresentation
bin100000011000010010000100…
…000100000001000001000110
3200200012220011112102202111100
4200120102010010001001012
5122131140244213431210
61222512252140120530
741665335120004536
oct4030220404010106
9620186145382440
10142406151311430
1141414122992786
1213b7b323b36146
13615cac4b19946
1427246ccc994c6
15116e49de385c0
hex818484101046

142406151311430 has 96 divisors (see below), whose sum is σ = 377340732437760. Its totient is φ = 37248709006080.

The previous prime is 142406151311401. The next prime is 142406151311527. The reversal of 142406151311430 is 34113151604241.

142406151311430 is a `hidden beast` number, since 1 + 4 + 2 + 4 + 0 + 615 + 1 + 3 + 1 + 1 + 4 + 30 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14319531 + ... + 22132809.

It is an arithmetic number, because the mean of its divisors is an integer number (3930632629560).

Almost surely, 2142406151311430 is an apocalyptic number.

142406151311430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142406151311430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188670366218880).

142406151311430 is an abundant number, since it is smaller than the sum of its proper divisors (234934581126330).

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

142406151311430 is a wasteful number, since it uses less digits than its factorization.

142406151311430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7817166 (or 7817163 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 142406151311430 in words is "one hundred forty-two trillion, four hundred six billion, one hundred fifty-one million, three hundred eleven thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 53 90 106 159 265 318 477 530 795 954 1590 2385 3821 4770 7642 11463 19105 22926 34389 38210 57315 68778 114630 171945 202513 343890 405026 607539 1012565 1215078 1822617 2025130 3037695 3645234 6075390 7813279 9113085 15626558 18226170 23439837 39066395 46879674 70319511 78132790 117199185 140639022 234398370 351597555 414103787 703195110 828207574 1242311361 2070518935 2484622722 3726934083 4141037870 6211556805 7453868166 12423113610 18634670415 29854539059 37269340830 59709078118 89563617177 149272695295 179127234354 268690851531 298545390590 447818085885 537381703062 895636171770 1343454257655 1582290570127 2686908515310 3164581140254 4746871710381 7911452850635 9493743420762 14240615131143 15822905701270 23734358551905 28481230262286 47468717103810 71203075655715 142406151311430