Search a number
-
+
1399338424212 = 2231913944154311
BaseRepresentation
bin10100010111001111000…
…100011101011110010100
311221202221022010021002220
4110113033010131132110
5140411321114033322
62550502554502340
7203045624231451
oct24271704353624
94852838107086
101399338424212
1149a502072643
121a724b7349b0
13a1c5982c001
144ba2a7d4828
152660002c55c
hex145cf11d794

1399338424212 has 48 divisors (see below), whose sum is σ = 3461698060800. Its totient is φ = 438717224160.

The previous prime is 1399338424171. The next prime is 1399338424291. The reversal of 1399338424212 is 2124248339931.

It is a super-2 number, since 2×13993384242122 (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 22045464 + ... + 22108847.

It is an arithmetic number, because the mean of its divisors is an integer number (72118709600).

Almost surely, 21399338424212 is an apocalyptic number.

1399338424212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1399338424212 is an abundant number, since it is smaller than the sum of its proper divisors (2062359636588).

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

1399338424212 is a wasteful number, since it uses less digits than its factorization.

1399338424212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44154476 (or 44154474 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 51.

The spelling of 1399338424212 in words is "one trillion, three hundred ninety-nine billion, three hundred thirty-eight million, four hundred twenty-four thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 139 228 278 417 556 834 1668 2641 5282 7923 10564 15846 31692 44154311 88308622 132462933 176617244 264925866 529851732 838931909 1677863818 2516795727 3355727636 5033591454 6137449229 10067182908 12274898458 18412347687 24549796916 36824695374 73649390748 116611535351 233223070702 349834606053 466446141404 699669212106 1399338424212