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13440042404030 = 25112932171309661
BaseRepresentation
bin1100001110010100000011…
…1101000000100010111110
31202120212002122220210011102
43003211000331000202332
53230200201323412110
644330134212253102
72555003531333204
oct303450075004276
952525078823142
1013440042404030
114311987612990
12161092b011192
137665100a4b48
14346704273074
151849166415a5
hexc3940f408be

13440042404030 has 64 divisors (see below), whose sum is σ = 27309910207680. Its totient is φ = 4717290547200.

The previous prime is 13440042404029. The next prime is 13440042404051. The reversal of 13440042404030 is 3040424004431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 13440042403984 and 13440042404002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9607400 + ... + 10917060.

It is an arithmetic number, because the mean of its divisors is an integer number (426717346995).

Almost surely, 213440042404030 is an apocalyptic number.

13440042404030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13440042404030 is an abundant number, since it is smaller than the sum of its proper divisors (13869867803650).

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

13440042404030 is a wasteful number, since it uses less digits than its factorization.

13440042404030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312925.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 13440042404030 its reverse (3040424004431), we get a palindrome (16480466408461).

The spelling of 13440042404030 in words is "thirteen trillion, four hundred forty billion, forty-two million, four hundred four thousand, thirty".

Divisors: 1 2 5 10 11 22 29 55 58 110 145 290 319 638 1595 3190 3217 6434 16085 32170 35387 70774 93293 176935 186586 353870 466465 932930 1026223 1309661 2052446 2619322 5131115 6548305 10262230 13096610 14406271 28812542 37980169 72031355 75960338 144062710 189900845 379801690 417781859 835563718 2088909295 4177818590 4213179437 8426358874 21065897185 42131794370 46344973807 92689947614 122182203673 231724869035 244364407346 463449738070 610911018365 1221822036730 1344004240403 2688008480806 6720021202015 13440042404030