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70100012121211 = 1929363059199687
BaseRepresentation
bin11111111000001011011100…
…10100100011110001111011
3100012012111101101001221020001
433330011232110203301323
533142004311100334321
6405031300114213431
720523362435444242
oct1774055624436173
9305174341057201
1070100012121211
1120377280380056
127a41a28284277
133016530b9b657
141344c0435d959
158186ded26c91
hex3fc16e523c7b

70100012121211 has 16 divisors (see below), whose sum is σ = 74042872646400. Its totient is φ = 66182499685728.

The previous prime is 70100012121203. The next prime is 70100012121263. The reversal of 70100012121211 is 11212121000107.

It is a cyclic number.

It is not a de Polignac number, because 70100012121211 - 23 = 70100012121203 is a prime.

It is a super-2 number, since 2×701000121212112 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70100012121911) 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, 350949610 + ... + 351149296.

It is an arithmetic number, because the mean of its divisors is an integer number (4627679540400).

Almost surely, 270100012121211 is an apocalyptic number.

70100012121211 is a deficient number, since it is larger than the sum of its proper divisors (3942860525189).

70100012121211 is a wasteful number, since it uses less digits than its factorization.

70100012121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263058.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 70100012121211 its reverse (11212121000107), we get a palindrome (81312133121318).

The spelling of 70100012121211 in words is "seventy trillion, one hundred billion, twelve million, one hundred twenty-one thousand, two hundred eleven".

Divisors: 1 19 293 5567 63059 199687 1198121 3794053 18476287 58508291 351049453 1111657529 12592062533 239249188127 3689474322169 70100012121211