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10042143120020 = 225119710727715877
BaseRepresentation
bin1001001000100001111001…
…0111111001101010010100
31022120000112012221120022102
42102020132113321222110
52304012302114320040
633205144042221232
72054343445063364
oct222103627715224
938500465846272
1010042143120020
113221937aa1930
1211622994b4818
1357ac7c21562b
1426a0841ac9a4
15126344b5d515
hex9221e5f9a94

10042143120020 has 192 divisors, whose sum is σ = 23546207188224. Its totient is φ = 3567116206080.

The previous prime is 10042143120019. The next prime is 10042143120073. The reversal of 10042143120020 is 2002134124001.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10042143119974 and 10042143120001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 632488322 + ... + 632504198.

It is an arithmetic number, because the mean of its divisors is an integer number (122636495772).

Almost surely, 210042143120020 is an apocalyptic number.

10042143120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10042143120020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11773103594112).

10042143120020 is an abundant number, since it is smaller than the sum of its proper divisors (13504064068204).

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

10042143120020 is a wasteful number, since it uses less digits than its factorization.

10042143120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16378 (or 16376 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 10042143120020 its reverse (2002134124001), we get a palindrome (12044277244021).

The spelling of 10042143120020 in words is "ten trillion, forty-two billion, one hundred forty-three million, one hundred twenty thousand, twenty".