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1012425120 = 253257472137
BaseRepresentation
bin111100010110000…
…110000110100000
32121120001112011200
4330112012012200
54033140100440
6244243441200
734042320510
oct7426060640
92546045150
101012425120
1147a53aa83
12243086200
1313199a825
1498663840
155dd37c30
hex3c5861a0

1012425120 has 288 divisors, whose sum is σ = 4034354688. Its totient is φ = 226381824.

The previous prime is 1012425097. The next prime is 1012425121. The reversal of 1012425120 is 215242101.

It is a tau number, because it is divible by the number of its divisors (288).

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 = 1012425093 and 1012425102.

It is not an unprimeable number, because it can be changed into a prime (1012425121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 472692 + ... + 474828.

It is an arithmetic number, because the mean of its divisors is an integer number (14008176).

Almost surely, 21012425120 is an apocalyptic number.

1012425120 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 1012425120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2017177344).

1012425120 is an abundant number, since it is smaller than the sum of its proper divisors (3021929568).

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

1012425120 is a wasteful number, since it uses less digits than its factorization.

1012425120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212 (or 2201 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1012425120 is about 31818.6285059554. The cubic root of 1012425120 is about 1004.1246703701.

Adding to 1012425120 its reverse (215242101), we get a palindrome (1227667221).

The spelling of 1012425120 in words is "one billion, twelve million, four hundred twenty-five thousand, one hundred twenty".