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212022001270 = 25477145713903
BaseRepresentation
bin1100010101110101111…
…1101111111001110110
3202021021011210121220201
43011131133233321312
511433210113020040
6241222423151114
721214050163252
oct3053537577166
9667234717821
10212022001270
1181a1098a742
12351118a549a
1316cbbbb7cb1
14a3949c9262
1557adadda9a
hex315d7efe76

212022001270 has 64 divisors (see below), whose sum is σ = 396142534656. Its totient is φ = 81650338560.

The previous prime is 212022001189. The next prime is 212022001271. The reversal of 212022001270 is 72100220212.

It is a super-2 number, since 2×2120220012702 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212022001271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15243139 + ... + 15257041.

It is an arithmetic number, because the mean of its divisors is an integer number (6189727104).

Almost surely, 2212022001270 is an apocalyptic number.

212022001270 is a deficient number, since it is larger than the sum of its proper divisors (184120533386).

212022001270 is a wasteful number, since it uses less digits than its factorization.

212022001270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14485.

The product of its (nonzero) digits is 224, while the sum is 19.

Adding to 212022001270 its reverse (72100220212), we get a palindrome (284122221482).

The spelling of 212022001270 in words is "two hundred twelve billion, twenty-two million, one thousand, two hundred seventy".

Divisors: 1 2 5 10 47 71 94 142 235 355 457 470 710 914 2285 3337 4570 6674 13903 16685 21479 27806 32447 33370 42958 64894 69515 107395 139030 162235 214790 324470 653441 987113 1306882 1525009 1974226 3050018 3267205 4935565 6353671 6534410 7625045 9871130 12707342 15250090 31768355 46394311 63536710 92788622 231971555 298622537 451110641 463943110 597245074 902221282 1493112685 2255553205 2986225370 4511106410 21202200127 42404400254 106011000635 212022001270