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761287428096 = 21131329328667
BaseRepresentation
bin10110001010000000100…
…01000100100000000000
32200210000102121022211020
423011000101010200000
544433104040144341
61341421451345440
7106000261240626
oct13050021044000
92623012538736
10761287428096
112739509a7518
12103661752280
1356a3484c9b0
1428bbcb65516
1514c09865566
hexb140444800

761287428096 has 192 divisors, whose sum is σ = 2261104372800. Its totient is φ = 226164277248.

The previous prime is 761287428053. The next prime is 761287428119. The reversal of 761287428096 is 690824782167.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

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, 2151955 + ... + 2480621.

It is an arithmetic number, because the mean of its divisors is an integer number (11776585275).

Almost surely, 2761287428096 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 761287428096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1130552186400).

761287428096 is an abundant number, since it is smaller than the sum of its proper divisors (1499816944704).

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

761287428096 is a wasteful number, since it uses less digits than its factorization.

761287428096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328734 (or 328714 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 60.

The spelling of 761287428096 in words is "seven hundred sixty-one billion, two hundred eighty-seven million, four hundred twenty-eight thousand, ninety-six".