Search a number
-
+
1420443071404 = 227538211165861
BaseRepresentation
bin10100101010111001000…
…000010011001110101100
312000210102010020102102121
4110222321000103032230
5141233031411241104
63004313104402324
7204423621615220
oct24527100231654
95023363212377
101420443071404
114a84520a0425
121ab35b6163a4
13a3c41023926
144ca6d6a8780
1526e37c4b254
hex14ab90133ac

1420443071404 has 48 divisors (see below), whose sum is σ = 2898015817536. Its totient is φ = 596547244800.

The previous prime is 1420443071321. The next prime is 1420443071429. The reversal of 1420443071404 is 4041703440241.

It is a self number, because there is not a number n which added to its sum of digits gives 1420443071404.

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, 635434 + ... + 1801294.

It is an arithmetic number, because the mean of its divisors is an integer number (60375329532).

Almost surely, 21420443071404 is an apocalyptic number.

1420443071404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420443071404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1449007908768).

1420443071404 is an abundant number, since it is smaller than the sum of its proper divisors (1477572746132).

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

1420443071404 is a wasteful number, since it uses less digits than its factorization.

1420443071404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166746 (or 1166744 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 34.

The spelling of 1420443071404 in words is "one trillion, four hundred twenty billion, four hundred forty-three million, seventy-one thousand, four hundred four".

Divisors: 1 2 4 7 14 28 53 106 212 371 742 821 1484 1642 3284 5747 11494 22988 43513 87026 174052 304591 609182 1165861 1218364 2331722 4663444 8161027 16322054 32644108 61790633 123581266 247162532 432534431 865068862 957171881 1730137724 1914343762 3828687524 6700203167 13400406334 26800812668 50730109693 101460219386 202920438772 355110767851 710221535702 1420443071404