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420618245376 = 283721731127167
BaseRepresentation
bin1100001111011101100…
…11010001010100000000
31111012200121102202110110
412013232303101110000
523342411232323001
6521121312431320
742250212044400
oct6075663212400
91435617382413
10420618245376
1115242404130a
1269628248540
133088312c434
1416502620800
15ae1ba883d6
hex61eecd1500

420618245376 has 864 divisors, whose sum is σ = 1443103506432. Its totient is φ = 107946639360.

The previous prime is 420618245363. The next prime is 420618245381. The reversal of 420618245376 is 673542816024.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2518672045 + ... + 2518672211.

It is an arithmetic number, because the mean of its divisors is an integer number (1670258688).

Almost surely, 2420618245376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420618245376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (721551753216).

420618245376 is an abundant number, since it is smaller than the sum of its proper divisors (1022485261056).

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

420618245376 is a wasteful number, since it uses less digits than its factorization.

420618245376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 420618245376 in words is "four hundred twenty billion, six hundred eighteen million, two hundred forty-five thousand, three hundred seventy-six".