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2031000104 = 237153123689
BaseRepresentation
bin111100100001110…
…1001101000101000
312020112200111101002
41321003221220220
513124414000404
6533311214132
7101221134050
oct17103515050
95215614332
102031000104
119524a0491
12488217348
13264a0c613
14153a48560
15bd487c1e
hex790e9a28

2031000104 has 32 divisors (see below), whose sum is σ = 4355169600. Its totient is φ = 869823360.

The previous prime is 2031000091. The next prime is 2031000107. The reversal of 2031000104 is 4010001302.

It is a happy number.

It is a super-3 number, since 3×20310001043 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2031000107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73892 + ... + 97580.

It is an arithmetic number, because the mean of its divisors is an integer number (136099050).

Almost surely, 22031000104 is an apocalyptic number.

It is an amenable number.

2031000104 is an abundant number, since it is smaller than the sum of its proper divisors (2324169496).

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

2031000104 is a wasteful number, since it uses less digits than its factorization.

2031000104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25233 (or 25229 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2031000104 is about 45066.6185108224. The cubic root of 2031000104 is about 1266.3973173668.

Adding to 2031000104 its reverse (4010001302), we get a palindrome (6041001406).

The spelling of 2031000104 in words is "two billion, thirty-one million, one hundred four", and thus it is an aban number.

Divisors: 1 2 4 7 8 14 28 56 1531 3062 6124 10717 12248 21434 23689 42868 47378 85736 94756 165823 189512 331646 663292 1326584 36267859 72535718 145071436 253875013 290142872 507750026 1015500052 2031000104