Search a number
-
+
53401554451500 = 223531571731310741
BaseRepresentation
bin11000010010001100001001…
…01011101111110000101100
321000002010202010222020011120
430021012010223233300230
523444412340414422000
6305324200242220540
714151064205251623
oct1411060453576054
9230063663866146
1053401554451500
1116019521348622
125ba56b4654750
1323a498b939aa8
14d28912cdc6ba
1562916c4a06a0
hex309184aefc2c

53401554451500 has 192 divisors, whose sum is σ = 157400526471552. Its totient is φ = 14067910272000.

The previous prime is 53401554451489. The next prime is 53401554451517. The reversal of 53401554451500 is 515445510435.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40086130 + ... + 41396870.

It is an arithmetic number, because the mean of its divisors is an integer number (819794408706).

Almost surely, 253401554451500 is an apocalyptic number.

53401554451500 is a gapful number since it is divisible by the number (50) 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 53401554451500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78700263235776).

53401554451500 is an abundant number, since it is smaller than the sum of its proper divisors (103998972020052).

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

53401554451500 is a wasteful number, since it uses less digits than its factorization.

53401554451500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311093 (or 1311081 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 42.

Adding to 53401554451500 its reverse (515445510435), we get a palindrome (53916999961935).

The spelling of 53401554451500 in words is "fifty-three trillion, four hundred one billion, five hundred fifty-four million, four hundred fifty-one thousand, five hundred".