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1201310003020 = 2252931107118517
BaseRepresentation
bin10001011110110011101…
…001111110111101001100
311020211210100201011021211
4101132303221332331030
5124140240330044040
62315512454304204
7152535403354561
oct21366351767514
94224710634254
101201310003020
114235221a6816
121749a4358064
138938ab15a1a
14422024d0868
15213aec048ea
hex117b3a7ef4c

1201310003020 has 48 divisors (see below), whose sum is σ = 2531726443008. Its totient is φ = 478814872320.

The previous prime is 1201310002979. The next prime is 1201310003029. The reversal of 1201310003020 is 203000131021.

It is not an unprimeable number, because it can be changed into a prime (1201310003029) 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, 64866802 + ... + 64885318.

It is an arithmetic number, because the mean of its divisors is an integer number (52744300896).

Almost surely, 21201310003020 is an apocalyptic number.

1201310003020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201310003020 is an abundant number, since it is smaller than the sum of its proper divisors (1330416439988).

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

1201310003020 is a wasteful number, since it uses less digits than its factorization.

1201310003020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29890 (or 29888 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 1201310003020 its reverse (203000131021), we get a palindrome (1404310134041).

The spelling of 1201310003020 in words is "one trillion, two hundred one billion, three hundred ten million, three thousand, twenty".

Divisors: 1 2 4 5 10 20 293 586 1172 1465 2930 5860 11071 18517 22142 37034 44284 55355 74068 92585 110710 185170 221420 370340 3243803 5425481 6487606 10850962 12975212 16219015 21701924 27127405 32438030 54254810 64876060 108509620 205001707 410003414 820006828 1025008535 2050017070 4100034140 60065500151 120131000302 240262000604 300327500755 600655001510 1201310003020