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670788887076 = 2232731117319371
BaseRepresentation
bin10011100001011100010…
…00100010001000100100
32101010102102122002222200
421300232020202020210
541442233423341301
61232053421454500
766314526315000
oct11605610421044
92333372562880
10670788887076
11239530926160
12aa005a11430
134b341666739
1424675971700
15126ae85cc86
hex9c2e222224

670788887076 has 576 divisors, whose sum is σ = 2357965209600. Its totient is φ = 158675328000.

The previous prime is 670788887071. The next prime is 670788887081.

670788887076 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (670788887071) and next prime (670788887081).

It is a junction number, because it is equal to n+sod(n) for n = 670788886995 and 670788887013.

It is not an unprimeable number, because it can be changed into a prime (670788887071) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 71576671 + ... + 71586041.

It is an arithmetic number, because the mean of its divisors is an integer number (4093689600).

Almost surely, 2670788887076 is an apocalyptic number.

670788887076 is a gapful number since it is divisible by the number (66) 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 670788887076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1178982604800).

670788887076 is an abundant number, since it is smaller than the sum of its proper divisors (1687176322524).

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

670788887076 is a wasteful number, since it uses less digits than its factorization.

670788887076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9461 (or 9442 counting only the distinct ones).

The product of its (nonzero) digits is 354041856, while the sum is 72.

The spelling of 670788887076 in words is "six hundred seventy billion, seven hundred eighty-eight million, eight hundred eighty-seven thousand, seventy-six".