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142231123272 = 23374261198689
BaseRepresentation
bin1000010001110110100…
…0101011010101001000
3111121010022221200111110
42010131220223111020
54312242131421042
6145201242330320
713163422412610
oct2043550532510
9447108850443
10142231123272
1155357841077
1223694ab99a0
1310548b9c994
146c53a8ba40
153a76a3a09c
hex211da2b548

142231123272 has 64 divisors (see below), whose sum is σ = 406472054400. Its totient is φ = 40627722240.

The previous prime is 142231123241. The next prime is 142231123273. The reversal of 142231123272 is 272321132241.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (142231123273) 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, 616504 + ... + 815192.

It is an arithmetic number, because the mean of its divisors is an integer number (6351125850).

Almost surely, 2142231123272 is an apocalyptic number.

142231123272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142231123272 is an abundant number, since it is smaller than the sum of its proper divisors (264240931128).

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

142231123272 is a wasteful number, since it uses less digits than its factorization.

142231123272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202966 (or 202962 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The spelling of 142231123272 in words is "one hundred forty-two billion, two hundred thirty-one million, one hundred twenty-three thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 4261 8522 12783 17044 25566 29827 34088 51132 59654 89481 102264 119308 178962 198689 238616 357924 397378 596067 715848 794756 1192134 1390823 1589512 2384268 2781646 4172469 4768536 5563292 8344938 11126584 16689876 33379752 846613829 1693227658 2539841487 3386455316 5079682974 5926296803 6772910632 10159365948 11852593606 17778890409 20318731896 23705187212 35557780818 47410374424 71115561636 142231123272