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1201210092 = 223271469957
BaseRepresentation
bin100011110011001…
…0000001011101100
310002201021210110200
41013212100023230
54430002210332
6315110033500
741524055145
oct10746201354
93081253420
101201210092
11567062a15
12296348890
13161b29204
14b5766acc
15706c917c
hex479902ec

1201210092 has 36 divisors (see below), whose sum is σ = 3079164816. Its totient is φ = 394763040.

The previous prime is 1201210063. The next prime is 1201210093. The reversal of 1201210092 is 2900121021.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1201210093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 232423 + ... + 237534.

It is an arithmetic number, because the mean of its divisors is an integer number (85532356).

Almost surely, 21201210092 is an apocalyptic number.

1201210092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201210092 is an abundant number, since it is smaller than the sum of its proper divisors (1877954724).

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

1201210092 is a wasteful number, since it uses less digits than its factorization.

1201210092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470038 (or 470033 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1201210092 is about 34658.4779238789. The cubic root of 1201210092 is about 1063.0156476916.

The spelling of 1201210092 in words is "one billion, two hundred one million, two hundred ten thousand, ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 71 142 213 284 426 639 852 1278 2556 469957 939914 1409871 1879828 2819742 4229613 5639484 8459226 16918452 33366947 66733894 100100841 133467788 200201682 300302523 400403364 600605046 1201210092