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2100022220212 = 22717110316972357
BaseRepresentation
bin11110100011110011000…
…101000001010110110100
321102202112011022002121121
4132203303011001112310
5233401321142021322
64244423100153324
7304502336230360
oct36436305012664
97382464262547
102100022220212
1173a6838832a4
1229abb9238844
13123053853967
14738da8562a0
153995e155ec7
hex1e8f31415b4

2100022220212 has 96 divisors (see below), whose sum is σ = 4455650239488. Its totient is φ = 845442269184.

The previous prime is 2100022220167. The next prime is 2100022220243. The reversal of 2100022220212 is 2120222200012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 890971338 + ... + 890973694.

It is an arithmetic number, because the mean of its divisors is an integer number (46413023328).

Almost surely, 22100022220212 is an apocalyptic number.

It is an amenable number.

2100022220212 is an abundant number, since it is smaller than the sum of its proper divisors (2355628019276).

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

2100022220212 is a wasteful number, since it uses less digits than its factorization.

2100022220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5185 (or 5183 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2100022220212 its reverse (2120222200012), we get a palindrome (4220244420224).

The spelling of 2100022220212 in words is "two trillion, one hundred billion, twenty-two million, two hundred twenty thousand, two hundred twelve".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 1103 1697 2206 2357 3394 4412 4714 6788 7721 9428 11879 15442 16499 18751 23758 28849 30884 32998 37502 40069 47516 57698 65996 75004 80138 115396 131257 160276 201943 262514 280483 403886 525028 560966 807772 1121932 1871791 2599771 3743582 3999829 5199542 7487164 7999658 10399084 13102537 15999316 18198397 26205074 27998803 31820447 36396794 44196107 52410148 55997606 63640894 67997093 72793588 88392214 111995212 127281788 135994186 176784428 222743129 271988372 309372749 445486258 475979651 618745498 890972516 951959302 1237490996 1903918604 4411811387 8823622774 17647245548 30882679709 61765359418 75000793579 123530718836 150001587158 300003174316 525005555053 1050011110106 2100022220212