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1420100001404 = 227431861633791
BaseRepresentation
bin10100101010100100100…
…011100101111001111100
312000202112012200122212022
4110222210203211321330
5141231331100021104
63004215051255312
7204412254563150
oct24524443457174
95022465618768
101420100001404
114a82964798a7
121ab28474a538
13a3bb7c25b26
144ca39cc3060
1526e17a80bbe
hex14aa48e5e7c

1420100001404 has 48 divisors (see below), whose sum is σ = 2907817414656. Its totient is φ = 594140097600.

The previous prime is 1420100001373. The next prime is 1420100001407. The reversal of 1420100001404 is 4041000010241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420100001407) 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, 1923749 + ... + 2557539.

It is an arithmetic number, because the mean of its divisors is an integer number (60579529472).

Almost surely, 21420100001404 is an apocalyptic number.

1420100001404 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 1420100001404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1453908707328).

1420100001404 is an abundant number, since it is smaller than the sum of its proper divisors (1487717413252).

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

1420100001404 is a wasteful number, since it uses less digits than its factorization.

1420100001404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635706 (or 635704 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1420100001404 its reverse (4041000010241), we get a palindrome (5461100011645).

The spelling of 1420100001404 in words is "one trillion, four hundred twenty billion, one hundred million, one thousand, four hundred four".

Divisors: 1 2 4 7 14 28 43 86 172 301 602 1204 1861 3722 7444 13027 26054 52108 80023 160046 320092 560161 633791 1120322 1267582 2240644 2535164 4436537 8873074 17746148 27253013 54506026 109012052 190771091 381542182 763084364 1179485051 2358970102 4717940204 8256395357 16512790714 33025581428 50717857193 101435714386 202871428772 355025000351 710050000702 1420100001404