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21001303211130 = 23251137573336151
BaseRepresentation
bin1001100011001101111110…
…01101111011110001111010
32202100201000221002220201200
410301212333031323301322
510223041132110224010
6112355510540555030
74265202604624164
oct461467715736172
982321027086650
1021001303211130
11676766a183820
122432239b52a76
13b94550570008
1452867b7bd934
1526645ac23cc0
hex1319bf37bc7a

21001303211130 has 96 divisors (see below), whose sum is σ = 61177260763008. Its totient is φ = 4953624336000.

The previous prime is 21001303211029. The next prime is 21001303211153. The reversal of 21001303211130 is 3111230310012.

21001303211130 is a `hidden beast` number, since 2 + 100 + 130 + 321 + 113 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 286631446 + ... + 286704705.

It is an arithmetic number, because the mean of its divisors is an integer number (637263132948).

Almost surely, 221001303211130 is an apocalyptic number.

21001303211130 is an abundant number, since it is smaller than the sum of its proper divisors (40175957551878).

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

21001303211130 is a wasteful number, since it uses less digits than its factorization.

21001303211130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573336212 (or 573336209 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 21001303211130 its reverse (3111230310012), we get a palindrome (24112533521142).

The spelling of 21001303211130 in words is "twenty-one trillion, one billion, three hundred three million, two hundred eleven thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 37 45 55 66 74 90 99 110 111 165 185 198 222 330 333 370 407 495 555 666 814 990 1110 1221 1665 2035 2442 3330 3663 4070 6105 7326 12210 18315 36630 573336151 1146672302 1720008453 2866680755 3440016906 5160025359 5733361510 6306697661 8600042265 10320050718 12613395322 17200084530 18920092983 21213437587 25800126795 31533488305 37840185966 42426875174 51600253590 56760278949 63066976610 63640312761 94600464915 106067187935 113520557898 127280625522 189200929830 190920938283 212134375870 233347813457 283801394745 318201563805 381841876566 466695626914 567602789490 636403127610 700043440371 954604691415 1166739067285 1400086880742 1909209382830 2100130321113 2333478134570 3500217201855 4200260642226 7000434403710 10500651605565 21001303211130