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423031202142 = 23257853321617
BaseRepresentation
bin1100010011111101001…
…11111110000101011110
31111102220202211122212120
412021332213332011132
523412331441432032
6522200550443410
742364051613643
oct6117647760536
91442822748776
10423031202142
111534520a345a
1269ba0363566
1330b790036c3
1416690c93dca
15b00d81d62c
hex627e9fe15e

423031202142 has 32 divisors (see below), whose sum is σ = 850352846112. Its totient is φ = 140296617984.

The previous prime is 423031202123. The next prime is 423031202161. The reversal of 423031202142 is 241202130324.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (423031202123) and next prime (423031202161).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1154518 + ... + 1476134.

It is an arithmetic number, because the mean of its divisors is an integer number (26573526441).

Almost surely, 2423031202142 is an apocalyptic number.

423031202142 is an abundant number, since it is smaller than the sum of its proper divisors (427321643970).

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

423031202142 is a wasteful number, since it uses less digits than its factorization.

423031202142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322732.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 423031202142 its reverse (241202130324), we get a palindrome (664233332466).

The spelling of 423031202142 in words is "four hundred twenty-three billion, thirty-one million, two hundred two thousand, one hundred forty-two".

Divisors: 1 2 3 6 257 514 771 853 1542 1706 2559 5118 219221 321617 438442 643234 657663 964851 1315326 1929702 82655569 165311138 247966707 274339301 495933414 548678602 823017903 1646035806 70505200357 141010400714 211515601071 423031202142