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143246374024 = 23134783353081
BaseRepresentation
bin1000010101101000100…
…1100011010010001000
3111200202002022202201011
42011122021203102020
54321332032432044
6145450110533304
713230531042415
oct2053211432210
9450662282634
10143246374024
1155828930a86
1223918b07234
131067b319680
146d0c84910c
153ad5c30134
hex215a263488

143246374024 has 64 divisors (see below), whose sum is σ = 298961591040. Its totient is φ = 63927252480.

The previous prime is 143246374021. The next prime is 143246374057. The reversal of 143246374024 is 420473642341.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (143246374021) 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, 229164 + ... + 582244.

It is an arithmetic number, because the mean of its divisors is an integer number (4671274860).

Almost surely, 2143246374024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143246374024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149480795520).

143246374024 is an abundant number, since it is smaller than the sum of its proper divisors (155715217016).

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

143246374024 is a wasteful number, since it uses less digits than its factorization.

143246374024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353230 (or 353226 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 40.

The spelling of 143246374024 in words is "one hundred forty-three billion, two hundred forty-six million, three hundred seventy-four thousand, twenty-four".

Divisors: 1 2 4 8 13 26 47 52 83 94 104 166 188 332 376 611 664 1079 1222 2158 2444 3901 4316 4888 7802 8632 15604 31208 50713 101426 202852 353081 405704 706162 1412324 2824648 4590053 9180106 16594807 18360212 29305723 33189614 36720424 58611446 66379228 117222892 132758456 215732491 234445784 380974399 431464982 761948798 862929964 1377368981 1523897596 1725859928 2754737962 3047795192 5509475924 11018951848 17905796753 35811593506 71623187012 143246374024