Search a number
-
+
1631119030 = 25198584837
BaseRepresentation
bin110000100111000…
…1110011010110110
311012200020102122221
41201032032122312
511320031302110
6425504312554
755264166032
oct14116163266
94180212587
101631119030
117677a6962
1239631275a
131ccc101b8
141168b51c2
15982e97da
hex6138e6b6

1631119030 has 16 divisors (see below), whose sum is σ = 3090541680. Its totient is φ = 618108192.

The previous prime is 1631119003. The next prime is 1631119051. The reversal of 1631119030 is 309111361.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1631118986 and 1631119004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4292229 + ... + 4292608.

It is an arithmetic number, because the mean of its divisors is an integer number (193158855).

Almost surely, 21631119030 is an apocalyptic number.

1631119030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1631119030 is a deficient number, since it is larger than the sum of its proper divisors (1459422650).

1631119030 is a wasteful number, since it uses less digits than its factorization.

1631119030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8584863.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 1631119030 is about 40387.1146530673. The cubic root of 1631119030 is about 1177.1411762409.

The spelling of 1631119030 in words is "one billion, six hundred thirty-one million, one hundred nineteen thousand, thirty".

Divisors: 1 2 5 10 19 38 95 190 8584837 17169674 42924185 85848370 163111903 326223806 815559515 1631119030