Search a number
-
+
1220031501104 = 241323773246731
BaseRepresentation
bin10001110000001111100…
…010110101001100110000
311022122010002111210121202
4101300033202311030300
5124442111031013404
62332250313110332
7154100342436623
oct21601742651460
94278102453552
101220031501104
11430459a81389
1217854a0b83a8
138b082671940
144309aa8ddba
1521b085ca21e
hex11c0f8b5330

1220031501104 has 40 divisors (see below), whose sum is σ = 2545760050512. Its totient is φ = 563065493760.

The previous prime is 1220031501067. The next prime is 1220031501137. The reversal of 1220031501104 is 4011051300221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4821419 + ... + 5068149.

Almost surely, 21220031501104 is an apocalyptic number.

It is an amenable number.

1220031501104 is an abundant number, since it is smaller than the sum of its proper divisors (1325728549408).

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

1220031501104 is a wasteful number, since it uses less digits than its factorization.

1220031501104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270525 (or 270519 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 1220031501104 its reverse (4011051300221), we get a palindrome (5231082801325).

The spelling of 1220031501104 in words is "one trillion, two hundred twenty billion, thirty-one million, five hundred one thousand, one hundred four".

Divisors: 1 2 4 8 13 16 26 52 104 208 23773 47546 95092 190184 246731 309049 380368 493462 618098 986924 1236196 1973848 2472392 3207503 3947696 4944784 6415006 12830012 25660024 51320048 5865536063 11731072126 23462144252 46924288504 76251968819 93848577008 152503937638 305007875276 610015750552 1220031501104