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143202020022 = 23210377239493
BaseRepresentation
bin1000010101011110000…
…0010110101010110110
3111200121222212100110100
42011113200112222312
54321234204120042
6145441444134530
713226452041435
oct2052740265266
9450558770410
10143202020022
1155805897186
1223906097446
131067208a0b9
146d069c111c
153ad1dbd24c
hex2157816ab6

143202020022 has 24 divisors (see below), whose sum is σ = 313283387664. Its totient is φ = 47270569104.

The previous prime is 143202019951. The next prime is 143202020023. The reversal of 143202020022 is 220020202341.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 143202019977 and 143202020004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143202020023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38617893 + ... + 38621600.

It is an arithmetic number, because the mean of its divisors is an integer number (13053474486).

Almost surely, 2143202020022 is an apocalyptic number.

143202020022 is an abundant number, since it is smaller than the sum of its proper divisors (170081367642).

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

143202020022 is a wasteful number, since it uses less digits than its factorization.

143202020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77239604 (or 77239601 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 143202020022 its reverse (220020202341), we get a palindrome (363222222363).

The spelling of 143202020022 in words is "one hundred forty-three billion, two hundred two million, twenty thousand, twenty-two".

Divisors: 1 2 3 6 9 18 103 206 309 618 927 1854 77239493 154478986 231718479 463436958 695155437 1390310874 7955667779 15911335558 23867003337 47734006674 71601010011 143202020022