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70456423212 = 22337213313761
BaseRepresentation
bin100000110011110000…
…1111011001100101100
320201212020012010211000
41001213201323030230
52123243321020322
652211153400300
75042655500400
oct1014741731454
9221766163730
1070456423212
11279758a563a
12117a3869090
13684ab82b66
1435a54a7100
151c7571c3ac
hex106787b32c

70456423212 has 72 divisors (see below), whose sum is σ = 212487641520. Its totient is φ = 20130405120.

The previous prime is 70456423183. The next prime is 70456423217. The reversal of 70456423212 is 21232465407.

70456423212 is a `hidden beast` number, since 7 + 0 + 4 + 5 + 642 + 3 + 2 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (70456423217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6651589 + ... + 6662172.

Almost surely, 270456423212 is an apocalyptic number.

It is an amenable number.

70456423212 is an abundant number, since it is smaller than the sum of its proper divisors (142031218308).

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

70456423212 is a wasteful number, since it uses less digits than its factorization.

70456423212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13313788 (or 13313773 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

Adding to 70456423212 its reverse (21232465407), we get a palindrome (91688888619).

The spelling of 70456423212 in words is "seventy billion, four hundred fifty-six million, four hundred twenty-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 54 63 84 98 108 126 147 189 196 252 294 378 441 588 756 882 1323 1764 2646 5292 13313761 26627522 39941283 53255044 79882566 93196327 119823849 159765132 186392654 239647698 279588981 359471547 372785308 479295396 559177962 652374289 718943094 838766943 1118355924 1304748578 1437886188 1677533886 1957122867 2516300829 2609497156 3355067772 3914245734 5032601658 5871368601 7828491468 10065203316 11742737202 17614105803 23485474404 35228211606 70456423212