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1201522040013 = 33779137019277
BaseRepresentation
bin10001011111000000010…
…010110101110011001101
311020212100010200202100210
4101133000102311303031
5124141204120240023
62315545511113033
7152543556554331
oct21370022656315
94225303622323
101201522040013
114236209602a9
12174a43372779
13893c2a25ab9
14422227277c1
15213c363a593
hex117c04b5ccd

1201522040013 has 16 divisors (see below), whose sum is σ = 1666154420480. Its totient is φ = 769500254016.

The previous prime is 1201522040011. The next prime is 1201522040093. The reversal of 1201522040013 is 3100402251021.

It is not a de Polignac number, because 1201522040013 - 21 = 1201522040011 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201522040011) 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, 68500870 + ... + 68518407.

It is an arithmetic number, because the mean of its divisors is an integer number (104134651280).

Almost surely, 21201522040013 is an apocalyptic number.

It is an amenable number.

1201522040013 is a deficient number, since it is larger than the sum of its proper divisors (464632380467).

1201522040013 is a wasteful number, since it uses less digits than its factorization.

1201522040013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137019396.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 1201522040013 its reverse (3100402251021), we get a palindrome (4301924291034).

The spelling of 1201522040013 in words is "one trillion, two hundred one billion, five hundred twenty-two million, forty thousand, thirteen".

Divisors: 1 3 37 79 111 237 2923 8769 137019277 411057831 5069713249 10824522883 15209139747 32473568649 400507346671 1201522040013