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1012010010220 = 2251197117832657
BaseRepresentation
bin11101011101000000111…
…11110100011001101100
310120202011201101011021101
432232200133310121230
5113040044030311340
62052524434412444
7133054360104046
oct16564037643154
93522151334241
101012010010220
113602112a4380
12144174131124
1374580526771
1436da550ca96
151b4d0d12c9a
hexeba07f466c

1012010010220 has 96 divisors (see below), whose sum is σ = 2322986190336. Its totient is φ = 367280179200.

The previous prime is 1012010010203. The next prime is 1012010010229. The reversal of 1012010010220 is 220100102101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1012010010197 and 1012010010206.

It is not an unprimeable number, because it can be changed into a prime (1012010010229) 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, 380883132 + ... + 380885788.

It is an arithmetic number, because the mean of its divisors is an integer number (24197772816).

Almost surely, 21012010010220 is an apocalyptic number.

1012010010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012010010220 is an abundant number, since it is smaller than the sum of its proper divisors (1310976180116).

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

1012010010220 is a wasteful number, since it uses less digits than its factorization.

1012010010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5431 (or 5429 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1012010010220 its reverse (220100102101), we get a palindrome (1232110112321).

The spelling of 1012010010220 in words is "one trillion, twelve billion, ten million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 971 1783 1942 2657 3566 3884 4855 5314 7132 8915 9710 10628 10681 13285 17830 19420 19613 21362 26570 29227 35660 39226 42724 53140 53405 58454 78452 98065 106810 116908 146135 196130 213620 292270 392260 584540 1731293 2579947 3462586 4737431 5159894 6925172 8656465 9474862 10319788 12899735 17312930 18949724 19044223 23687155 25799470 28379417 34625860 38088446 47374310 51598940 52111741 56758834 76176892 94748620 95221115 104223482 113517668 141897085 190442230 208446964 260558705 283794170 380884460 521117410 567588340 1042234820 4600045501 9200091002 18400182004 23000227505 46000455010 50600500511 92000910020 101201001022 202402002044 253002502555 506005005110 1012010010220