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1210203223130 = 2511217101582509
BaseRepresentation
bin10001100111000101101…
…110111011010001011010
311021200202010212112211102
4101213011232323101122
5124311444011120010
62323543143031402
7153301651445156
oct21470556732132
94250663775742
101210203223130
11427276195700
1217666673b562
138a17741a545
144280766c066
152173083cba5
hex119c5bbb45a

1210203223130 has 96 divisors (see below), whose sum is σ = 2560355133840. Its totient is φ = 410085632000.

The previous prime is 1210203223087. The next prime is 1210203223157. The reversal of 1210203223130 is 313223020121.

It can be written as a sum of positive squares in 8 ways, for example, as 708325907641 + 501877315489 = 841621^2 + 708433^2 .

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, 1786316 + ... + 2368824.

Almost surely, 21210203223130 is an apocalyptic number.

1210203223130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210203223130 is an abundant number, since it is smaller than the sum of its proper divisors (1350151910710).

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

1210203223130 is a wasteful number, since it uses less digits than its factorization.

1210203223130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582656 (or 582645 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1210203223130 its reverse (313223020121), we get a palindrome (1523426243251).

The spelling of 1210203223130 in words is "one trillion, two hundred ten billion, two hundred three million, two hundred twenty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 11 17 22 34 55 85 101 110 121 170 187 202 242 374 505 605 935 1010 1111 1210 1717 1870 2057 2222 3434 4114 5555 8585 10285 11110 12221 17170 18887 20570 24442 37774 61105 94435 122210 188870 207757 415514 582509 1038785 1165018 2077570 2912545 5825090 6407599 9902653 12815198 19805306 32037995 49513265 58833409 64075990 70483589 99026530 108929183 117666818 140967178 217858366 294167045 352417945 544645915 588334090 647167499 704835890 1000167953 1089291830 1198221013 1294334998 2000335906 2396442026 3235837495 5000839765 5991105065 6471674990 7118842489 10001679530 11001847483 11982210130 14237684978 22003694966 35594212445 55009237415 71188424890 110018474830 121020322313 242040644626 605101611565 1210203223130