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142145055405030 = 235371039631231771
BaseRepresentation
bin100000010100011110111001…
…100010001011001111100110
3200122021221020022102110021210
4200110132321202023033212
5122112401033140430110
61222152311552452250
741640432661266456
oct4024367142131746
9618257208373253
10142145055405030
114132341a075857
1213b387b754a086
1361412b4cc3c82
142715c0096dd66
1511677bbe38520
hex8147b988b3e6

142145055405030 has 64 divisors (see below), whose sum is σ = 350372007353088. Its totient is φ = 36880494549120.

The previous prime is 142145055405019. The next prime is 142145055405047. The reversal of 142145055405030 is 30504550541241.

It is a super-3 number, since 3×1421450554050303 (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142145055405030.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114783045 + ... + 116014815.

It is an arithmetic number, because the mean of its divisors is an integer number (5474562614892).

Almost surely, 2142145055405030 is an apocalyptic number.

142145055405030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142145055405030 is an abundant number, since it is smaller than the sum of its proper divisors (208226951948058).

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

142145055405030 is a wasteful number, since it uses less digits than its factorization.

142145055405030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335781.

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 142145055405030 in words is "one hundred forty-two trillion, one hundred forty-five billion, fifty-five million, four hundred five thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 370 555 1110 103963 207926 311889 519815 623778 1039630 1231771 1559445 2463542 3118890 3695313 3846631 6158855 7390626 7693262 11539893 12317710 18476565 19233155 23079786 36953130 38466310 45575527 57699465 91151054 115398930 136726581 227877635 273453162 455755270 683632905 1367265810 128058608473 256117216946 384175825419 640293042365 768351650838 1280586084730 1920879127095 3841758254190 4738168513501 9476337027002 14214505540503 23690842567505 28429011081006 47381685135010 71072527702515 142145055405030