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10301221331220 = 22351391235158433
BaseRepresentation
bin1001010111100111000010…
…1000110110000100010100
31100110210020211022100001010
42111321300220312010110
52322233400130044340
633524152111332220
72112144603410241
oct225716050660424
940423224270033
1010301221331220
1133117a5986566
1211a4542221070
1359952a009911
142788205545c8
1512ce59952b80
hex95e70a36114

10301221331220 has 48 divisors (see below), whose sum is σ = 29050926367680. Its totient is φ = 2727229817856.

The previous prime is 10301221331183. The next prime is 10301221331243. The reversal of 10301221331220 is 2213312210301.

It is a super-2 number, since 2×103012213312202 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 617570877 + ... + 617587556.

It is an arithmetic number, because the mean of its divisors is an integer number (605227632660).

Almost surely, 210301221331220 is an apocalyptic number.

10301221331220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10301221331220 is an abundant number, since it is smaller than the sum of its proper divisors (18749705036460).

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

10301221331220 is a wasteful number, since it uses less digits than its factorization.

10301221331220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235158584 (or 1235158582 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 10301221331220 its reverse (2213312210301), we get a palindrome (12514533541521).

The spelling of 10301221331220 in words is "ten trillion, three hundred one billion, two hundred twenty-one million, three hundred thirty-one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 139 278 417 556 695 834 1390 1668 2085 2780 4170 8340 1235158433 2470316866 3705475299 4940633732 6175792165 7410950598 12351584330 14821901196 18527376495 24703168660 37054752990 74109505980 171687022187 343374044374 515061066561 686748088748 858435110935 1030122133122 1716870221870 2060244266244 2575305332805 3433740443740 5150610665610 10301221331220