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20130040124 = 2219343113151
BaseRepresentation
bin10010101111110110…
…000000100100111100
31220221220012222202122
4102233312000210330
5312211242240444
613125252342112
71311561342425
oct225766004474
956856188678
1020130040124
11859a9790a7
123a99614938
131b8a60875c
14d8d69664c
157cc3a64ee
hex4afd8093c

20130040124 has 96 divisors (see below), whose sum is σ = 38640053760. Its totient is φ = 9169977600.

The previous prime is 20130040111. The next prime is 20130040129. The reversal of 20130040124 is 42104003102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130040129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133311449 + ... + 133311599.

It is an arithmetic number, because the mean of its divisors is an integer number (402500560).

Almost surely, 220130040124 is an apocalyptic number.

It is an amenable number.

20130040124 is a deficient number, since it is larger than the sum of its proper divisors (18510013636).

20130040124 is a wasteful number, since it uses less digits than its factorization.

20130040124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20130040124 its reverse (42104003102), we get a palindrome (62234043226).

The spelling of 20130040124 in words is "twenty billion, one hundred thirty million, forty thousand, one hundred twenty-four".

Divisors: 1 2 4 19 38 43 76 86 113 151 172 226 302 361 452 604 722 817 1444 1634 2147 2869 3268 4294 4859 5738 6493 6859 8588 9718 11476 12986 13718 15523 17063 19436 25972 27436 31046 34126 40793 54511 62092 68252 81586 92321 109022 123367 163172 184642 218044 246734 294937 324197 369284 493468 589874 648394 733709 775067 1035709 1179748 1296788 1467418 1550134 1754099 2071418 2343973 2934836 3100268 3508198 4142836 4687946 6159743 7016396 9375892 12319486 13940471 24638972 27880942 33327881 44535487 55761884 66655762 89070974 117035117 133311524 178141948 234070234 264868949 468140468 529737898 1059475796 5032510031 10065020062 20130040124