Search a number
-
+
19035132217920 = 26385721343331
BaseRepresentation
bin1000101001111111101100…
…10010110100101001000000
32111101202000002111200000000
410110333312102310221000
54443332422321433140
6104252341413000000
74003146215135100
oct424776622645100
974352002450000
1019035132217920
11607983298a495
122175177323000
13a8100b753030
1449b43badb200
15230232abaa30
hex114ff64b4a40

19035132217920 has 3024 divisors, whose sum is σ = 87415380980928. Its totient is φ = 3910952263680.

The previous prime is 19035132217903. The next prime is 19035132217961. The reversal of 19035132217920 is 2971223153091.

19035132217920 is a `hidden beast` number, since 1 + 9 + 0 + 351 + 3 + 221 + 79 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (3024).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 57507952155 + ... + 57507952485.

Almost surely, 219035132217920 is an apocalyptic number.

19035132217920 is a gapful number since it is divisible by the number (10) 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 19035132217920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43707690490464).

19035132217920 is an abundant number, since it is smaller than the sum of its proper divisors (68380248763008).

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

19035132217920 is an equidigital number, since it uses as much as digits as its factorization.

19035132217920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The spelling of 19035132217920 in words is "nineteen trillion, thirty-five billion, one hundred thirty-two million, two hundred seventeen thousand, nine hundred twenty".