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4821970142 = 211991221171
BaseRepresentation
bin1000111110110100…
…10110110011011110
3110110001101110111202
410133122112303132
534333411021032
62114251315502
7230331032663
oct43732266336
913401343452
104821970142
1120549705a0
12b26a4bb92
135bacc7692
1433a59ba6a
151d34dbd62
hex11f696cde

4821970142 has 16 divisors (see below), whose sum is σ = 7898494464. Its totient is φ = 2189583000.

The previous prime is 4821970103. The next prime is 4821970169. The reversal of 4821970142 is 2410791284.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4821970096 and 4821970105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88784 + ... + 132387.

It is an arithmetic number, because the mean of its divisors is an integer number (493655904).

Almost surely, 24821970142 is an apocalyptic number.

4821970142 is a deficient number, since it is larger than the sum of its proper divisors (3076524322).

4821970142 is a wasteful number, since it uses less digits than its factorization.

4821970142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222175.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 4821970142 is about 69440.4071272627. The cubic root of 4821970142 is about 1689.4350716151.

The spelling of 4821970142 in words is "four billion, eight hundred twenty-one million, nine hundred seventy thousand, one hundred forty-two".

Divisors: 1 2 11 22 991 1982 10901 21802 221171 442342 2432881 4865762 219180461 438360922 2410985071 4821970142