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10101131032020 = 2235724050311981
BaseRepresentation
bin1001001011111101101001…
…0100111011010111010100
31022202122210012002222022220
42102333122110323113110
52310444104021011040
633252221234022340
72061532305053250
oct222773224732724
938678705088286
1010101131032020
11324495814a226
1211718004179b0
135836c0092582
1426cc7c489260
15127b485e32d0
hex92fda53b5d4

10101131032020 has 48 divisors (see below), whose sum is σ = 32323619303808. Its totient is φ = 2308829950080.

The previous prime is 10101131032009. The next prime is 10101131032079. The reversal of 10101131032020 is 2023013110101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12025155571 + ... + 12025156410.

It is an arithmetic number, because the mean of its divisors is an integer number (673408735496).

Almost surely, 210101131032020 is an apocalyptic number.

10101131032020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10101131032020 is an abundant number, since it is smaller than the sum of its proper divisors (22222488271788).

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

10101131032020 is a wasteful number, since it uses less digits than its factorization.

10101131032020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24050312000 (or 24050311998 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 10101131032020 its reverse (2023013110101), we get a palindrome (12124144142121).

The spelling of 10101131032020 in words is "ten trillion, one hundred one billion, one hundred thirty-one million, thirty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 24050311981 48100623962 72150935943 96201247924 120251559905 144301871886 168352183867 240503119810 288603743772 336704367734 360754679715 481006239620 505056551601 673408735468 721509359430 841760919335 1010113103202 1443018718860 1683521838670 2020226206404 2525282758005 3367043677340 5050565516010 10101131032020