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1386906898608 = 2432711971399277
BaseRepresentation
bin10100001011101010000…
…101111101000010110000
311220120211221000022220200
4110023222011331002300
5140210341131223413
62541045232035200
7202125563061540
oct24135205750260
94816757008820
101386906898608
11495202873440
121a4960392b00
13a0a281686ba
144b1ab767320
152612396c573
hex142ea17d0b0

1386906898608 has 480 divisors, whose sum is σ = 4924756462080. Its totient is φ = 353918730240.

The previous prime is 1386906898579. The next prime is 1386906898669. The reversal of 1386906898608 is 8068986096831.

It is a happy number.

1386906898608 is a `hidden beast` number, since 1 + 3 + 8 + 6 + 9 + 0 + 6 + 8 + 9 + 8 + 608 = 666.

It is a super-2 number, since 2×13869068986082 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 149494866 + ... + 149504142.

It is an arithmetic number, because the mean of its divisors is an integer number (10259909296).

Almost surely, 21386906898608 is an apocalyptic number.

1386906898608 is a gapful number since it is divisible by the number (18) 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 1386906898608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2462378231040).

1386906898608 is an abundant number, since it is smaller than the sum of its proper divisors (3537849563472).

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

1386906898608 is a wasteful number, since it uses less digits than its factorization.

1386906898608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9545 (or 9536 counting only the distinct ones).

The product of its (nonzero) digits is 214990848, while the sum is 72.

The spelling of 1386906898608 in words is "one trillion, three hundred eighty-six billion, nine hundred six million, eight hundred ninety-eight thousand, six hundred eight".