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30145215400100 = 22524111365066297
BaseRepresentation
bin1101101101010101110101…
…10110110000100010100100
310221201212001220002102011222
412312222322312300202210
512422344400120300400
6144040304253115512
76230630353050503
oct666527266604244
9127655056072158
1030145215400100
119672572233509
12346a417788b98
1313a88b26798b8
1476307150a83a
1537422d7ee185
hex1b6abadb08a4

30145215400100 has 72 divisors (see below), whose sum is σ = 67603623356808. Its totient is φ = 11659880243200.

The previous prime is 30145215400093. The next prime is 30145215400187. The reversal of 30145215400100 is 100451254103.

It can be written as a sum of positive squares in 12 ways, for example, as 18420302604544 + 11724912795556 = 4291888^2 + 3424166^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30145215400100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32069849 + ... + 32996448.

It is an arithmetic number, because the mean of its divisors is an integer number (938939213289).

Almost surely, 230145215400100 is an apocalyptic number.

It is an amenable number.

30145215400100 is an abundant number, since it is smaller than the sum of its proper divisors (37458407956708).

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

30145215400100 is a wasteful number, since it uses less digits than its factorization.

30145215400100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65066465 (or 65066458 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 30145215400100 its reverse (100451254103), we get a palindrome (30245666654203).

The spelling of 30145215400100 in words is "thirty trillion, one hundred forty-five billion, two hundred fifteen million, four hundred thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 41 50 82 100 113 164 205 226 410 452 565 820 1025 1130 2050 2260 2825 4100 4633 5650 9266 11300 18532 23165 46330 92660 115825 231650 463300 65066297 130132594 260265188 325331485 650662970 1301325940 1626657425 2667718177 3253314850 5335436354 6506629700 7352491561 10670872708 13338590885 14704983122 26677181770 29409966244 36762457805 53354363540 66692954425 73524915610 133385908850 147049831220 183812289025 266771817700 301452154001 367624578050 602904308002 735249156100 1205808616004 1507260770005 3014521540010 6029043080020 7536303850025 15072607700050 30145215400100