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212030121102 = 231910463177761
BaseRepresentation
bin1100010101110111111…
…0101110010010001110
3202021021202002011020020
43011131332232102032
511433214202333402
6241223313203010
721214206202242
oct3053576562216
9667252064206
10212030121102
1181a15526248
1235114560466
1316cc079bb27
14a395b00422
1557ae6948bc
hex315dfae48e

212030121102 has 32 divisors (see below), whose sum is σ = 446424376320. Its totient is φ = 66950104320.

The previous prime is 212030121059. The next prime is 212030121113. The reversal of 212030121102 is 201121030212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1103902 + ... + 1281662.

It is an arithmetic number, because the mean of its divisors is an integer number (13950761760).

Almost surely, 2212030121102 is an apocalyptic number.

212030121102 is an abundant number, since it is smaller than the sum of its proper divisors (234394255218).

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

212030121102 is a wasteful number, since it uses less digits than its factorization.

212030121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188248.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 212030121102 its reverse (201121030212), we get a palindrome (413151151314).

The spelling of 212030121102 in words is "two hundred twelve billion, thirty million, one hundred twenty-one thousand, one hundred two".

Divisors: 1 2 3 6 19 38 57 114 10463 20926 31389 62778 177761 198797 355522 397594 533283 596391 1066566 1192782 3377459 6754918 10132377 20264754 1859913343 3719826686 5579740029 11159480058 35338353517 70676707034 106015060551 212030121102