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20403103013010 = 23254991229369659
BaseRepresentation
bin1001010001110011101111…
…01101010001100010010010
32200020111222022220021021100
410220321313231101202102
510133241023332404020
6111221020042405230
74204034625060024
oct450716755214222
980214868807240
1020403103013010
1165569a8819aa3
122356311b00816
13b50009763643
145077305a0014
15255ae8dc0a90
hex128e77b51892

20403103013010 has 96 divisors (see below), whose sum is σ = 53197770600000. Its totient is φ = 5425491166848.

The previous prime is 20403103012937. The next prime is 20403103013011. The reversal of 20403103013010 is 1031030130402.

20403103013010 is a `hidden beast` number, since 2 + 0 + 40 + 310 + 301 + 3 + 0 + 10 = 666.

It is a super-2 number, since 2×204031030130102 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20403103013011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55009561 + ... + 55379219.

It is an arithmetic number, because the mean of its divisors is an integer number (554143443750).

Almost surely, 220403103013010 is an apocalyptic number.

20403103013010 is an abundant number, since it is smaller than the sum of its proper divisors (32794667586990).

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

20403103013010 is a wasteful number, since it uses less digits than its factorization.

20403103013010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371400 (or 371397 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20403103013010 its reverse (1031030130402), we get a palindrome (21434133143412).

The spelling of 20403103013010 in words is "twenty trillion, four hundred three billion, one hundred three million, thirteen thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 499 998 1229 1497 2458 2495 2994 3687 4491 4990 6145 7374 7485 8982 11061 12290 14970 18435 22122 22455 36870 44910 55305 110610 369659 613271 739318 1108977 1226542 1839813 1848295 2217954 3066355 3326931 3679626 3696590 5519439 5544885 6132710 6653862 9199065 11038878 11089770 16634655 18398130 27597195 33269310 55194390 184459841 368919682 454310911 553379523 908621822 922299205 1106759046 1362932733 1660138569 1844598410 2271554555 2725865466 2766897615 3320277138 4088798199 4543109110 5533795230 6814663665 8177596398 8300692845 13629327330 16601385690 20443990995 40887981990 226701144589 453402289178 680103433767 1133505722945 1360206867534 2040310301301 2267011445890 3400517168835 4080620602602 6801034337670 10201551506505 20403103013010