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1031212340300 = 225219542743337
BaseRepresentation
bin11110000000110010000…
…10111001010001001100
310122120201221221121002202
433000121002321101030
5113343410324342200
62105422111141032
7134334255160502
oct17003102712114
93576657847082
101031212340300
1136837553415a
12147a32b14778
1376320885c5c
1437ca78b4672
151bc56a171d5
hexf0190b944c

1031212340300 has 36 divisors (see below), whose sum is σ = 2355506086920. Its totient is φ = 390775201920.

The previous prime is 1031212340297. The next prime is 1031212340303. The reversal of 1031212340300 is 30432121301.

It is an interprime number because it is at equal distance from previous prime (1031212340297) and next prime (1031212340303).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1031212340303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 271369769 + ... + 271373568.

Almost surely, 21031212340300 is an apocalyptic number.

1031212340300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031212340300 is an abundant number, since it is smaller than the sum of its proper divisors (1324293746620).

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

1031212340300 is a wasteful number, since it uses less digits than its factorization.

1031212340300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542743370 (or 542743363 counting only the distinct ones).

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

Adding to 1031212340300 its reverse (30432121301), we get a palindrome (1061644461601).

The spelling of 1031212340300 in words is "one trillion, thirty-one billion, two hundred twelve million, three hundred forty thousand, three hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 190 380 475 950 1900 542743337 1085486674 2170973348 2713716685 5427433370 10312123403 10854866740 13568583425 20624246806 27137166850 41248493612 51560617015 54274333700 103121234030 206242468060 257803085075 515606170150 1031212340300