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142484567077680 = 2435699184921427
BaseRepresentation
bin100000011001011011000110…
…000000011011001100110000
3200200111101120110112102100020
4200121123012000123030300
5122133431343132441210
61223012301222123440
742004112254013052
oct4031330600331460
9620441513472306
10142484567077680
1141444402606573
1213b92569280580
136167310979029
14272840b4858d2
15117153d2be770
hex8196c601b330

142484567077680 has 80 divisors (see below), whose sum is σ = 441765344684544. Its totient is φ = 37990449135360.

The previous prime is 142484567077673. The next prime is 142484567077733. The reversal of 142484567077680 is 86770765484241.

It is a tau number, because it is divible by the number of its divisors (80).

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, 40782874 + ... + 44138553.

Almost surely, 2142484567077680 is an apocalyptic number.

142484567077680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142484567077680 is an abundant number, since it is smaller than the sum of its proper divisors (299280777606864).

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

142484567077680 is a wasteful number, since it uses less digits than its factorization.

142484567077680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84928434 (or 84928428 counting only the distinct ones).

The product of its (nonzero) digits is 505774080, while the sum is 69.

The spelling of 142484567077680 in words is "one hundred forty-two trillion, four hundred eighty-four billion, five hundred sixty-seven million, seventy-seven thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 6991 13982 20973 27964 34955 41946 55928 69910 83892 104865 111856 139820 167784 209730 279640 335568 419460 559280 838920 1677840 84921427 169842854 254764281 339685708 424607135 509528562 679371416 849214270 1019057124 1273821405 1358742832 1698428540 2038114248 2547642810 3396857080 4076228496 5095285620 6793714160 10190571240 20381142480 593685696157 1187371392314 1781057088471 2374742784628 2968428480785 3562114176942 4749485569256 5936856961570 7124228353884 8905285442355 9498971138512 11873713923140 14248456707768 17810570884710 23747427846280 28496913415536 35621141769420 47494855692560 71242283538840 142484567077680