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105630306212 = 224118113032731
BaseRepresentation
bin110001001100000001…
…1101000111110100100
3101002122120001112101102
41202120003220332210
53212312324244322
6120305332015232
710426421534264
oct1423003507644
9332576045342
10105630306212
1140885610532
121857b461518
139c65118392
145180b177a4
152b33698792
hex18980e8fa4

105630306212 has 48 divisors (see below), whose sum is σ = 190623748224. Its totient is φ = 51184224000.

The previous prime is 105630306211. The next prime is 105630306233. The reversal of 105630306212 is 212603036501.

It is a super-2 number, since 2×1056303062122 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105630306211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38676887 + ... + 38679617.

It is an arithmetic number, because the mean of its divisors is an integer number (3971328088).

Almost surely, 2105630306212 is an apocalyptic number.

It is an amenable number.

105630306212 is a deficient number, since it is larger than the sum of its proper divisors (84993442012).

105630306212 is a wasteful number, since it uses less digits than its factorization.

105630306212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4260 (or 4258 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The spelling of 105630306212 in words is "one hundred five billion, six hundred thirty million, three hundred six thousand, two hundred twelve".

Divisors: 1 2 4 41 82 164 181 362 724 1303 2606 2731 5212 5462 7421 10924 14842 29684 53423 106846 111971 213692 223942 235843 447884 471686 494311 943372 988622 1977244 3558493 7116986 9669563 14233972 19339126 20266751 38678252 40533502 81067004 145898213 291796426 583592852 644087233 1288174466 2576348932 26407576553 52815153106 105630306212