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1213110133002 = 233531632600417
BaseRepresentation
bin10001101001110010111…
…111111010000100001010
311021222020201201212112000
4101221302333322010022
5124333422143224002
62325143424131430
7153433666665105
oct21516277720412
94258221655460
101213110133002
11428528054059
12177138166b76
138a51b73a461
1442a0176173c
1521850b4461c
hex11a72ffa10a

1213110133002 has 64 divisors (see below), whose sum is σ = 2763516216960. Its totient is φ = 394306278912.

The previous prime is 1213110132931. The next prime is 1213110133009. The reversal of 1213110133002 is 2003310113121.

1213110133002 is a `hidden beast` number, since 1 + 21 + 311 + 0 + 1 + 330 + 0 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1213110133009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 833703 + ... + 1766714.

It is an arithmetic number, because the mean of its divisors is an integer number (43179940890).

Almost surely, 21213110133002 is an apocalyptic number.

1213110133002 is an abundant number, since it is smaller than the sum of its proper divisors (1550406083958).

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

1213110133002 is a wasteful number, since it uses less digits than its factorization.

1213110133002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600644 (or 2600638 counting only the distinct ones).

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

Adding to 1213110133002 its reverse (2003310113121), we get a palindrome (3216420246123).

The spelling of 1213110133002 in words is "one trillion, two hundred thirteen billion, one hundred ten million, one hundred thirty-three thousand, two".

Divisors: 1 2 3 6 9 18 27 53 54 106 159 163 318 326 477 489 954 978 1431 1467 2862 2934 4401 8639 8802 17278 25917 51834 77751 155502 233253 466506 2600417 5200834 7801251 15602502 23403753 46807506 70211259 137822101 140422518 275644202 413466303 423867971 826932606 847735942 1240398909 1271603913 2480797818 2543207826 3721196727 3814811739 7442393454 7629623478 11444435217 22465002463 22888870434 44930004926 67395007389 134790014778 202185022167 404370044334 606555066501 1213110133002