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105212042304 = 2631521736011
BaseRepresentation
bin110000111111100100…
…0000101110001000000
3101001120102000112011120
41201333020011301000
53210433240323204
6120200031112240
710413152414055
oct1417710056100
9331512015146
10105212042304
1140690500686
1218483372680
139bc9580945
14514135b02c
152b0bac86d9
hex187f205c40

105212042304 has 56 divisors (see below), whose sum is σ = 278399552928. Its totient is φ = 35067402240.

The previous prime is 105212042303. The next prime is 105212042323. The reversal of 105212042304 is 403240212501.

It is a super-2 number, since 2×1052120423042 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (105212042303) 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, 2903659 + ... + 2939669.

It is an arithmetic number, because the mean of its divisors is an integer number (4971420588).

Almost surely, 2105212042304 is an apocalyptic number.

It is an amenable number.

105212042304 is an abundant number, since it is smaller than the sum of its proper divisors (173187510624).

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

105212042304 is a wasteful number, since it uses less digits than its factorization.

105212042304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51243 (or 51233 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 105212042304 its reverse (403240212501), we get a palindrome (508452254805).

The spelling of 105212042304 in words is "one hundred five billion, two hundred twelve million, forty-two thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 15217 30434 36011 45651 60868 72022 91302 108033 121736 144044 182604 216066 243472 288088 365208 432132 486944 576176 730416 864264 973888 1152352 1460832 1728528 2304704 2921664 3457056 6914112 547979387 1095958774 1643938161 2191917548 3287876322 4383835096 6575752644 8767670192 13151505288 17535340384 26303010576 35070680768 52606021152 105212042304