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1230100005 = 35731123379
BaseRepresentation
bin100100101010001…
…1101011000100101
310011201122112222110
41021110131120211
510004401200010
6322021151233
742324451251
oct11124353045
93151575873
101230100005
115813a5382
122a3b5b519
13167b02b34
14b9527261
1572ed4120
hex4951d625

1230100005 has 16 divisors (see below), whose sum is σ = 1995122880. Its totient is φ = 647065728.

The previous prime is 1230099979. The next prime is 1230100021. The reversal of 1230100005 is 5000010321.

It is not a de Polignac number, because 1230100005 - 25 = 1230099973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 560595 + ... + 562784.

It is an arithmetic number, because the mean of its divisors is an integer number (124695180).

Almost surely, 21230100005 is an apocalyptic number.

1230100005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1230100005 is a deficient number, since it is larger than the sum of its proper divisors (765022875).

1230100005 is a wasteful number, since it uses less digits than its factorization.

1230100005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123460.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 1230100005 is about 35072.7815406762. The cubic root of 1230100005 is about 1071.4703067044.

Adding to 1230100005 its reverse (5000010321), we get a palindrome (6230110326).

The spelling of 1230100005 in words is "one billion, two hundred thirty million, one hundred thousand, five".

Divisors: 1 3 5 15 73 219 365 1095 1123379 3370137 5616895 16850685 82006667 246020001 410033335 1230100005